In a Cage

Designed at date	May, 2017
Materials	Wedding cake tree (Dogwood) Red toon Japanese cherry
Dimensions	76 mm x 51 mm x 51 mm
Summary	I designed this box for a special order from a customer. The inner box moves right and left in the outer frame and rotates. It takes about ten times to open. The structure is surprisingly simple, but it is not easy to open. It won the 2017 Nob Yoshigahara Puzzle Design Competition Jury Honorable Mention.

Kakoi

Designed at date	August, 2016
Materials	Monarch birch Black walnut Japanese cherry
Dimensions	100 mm x 100 mm x 100 mm
Summary	This is the box with two colors. The box which got an idea from a Japanese kanji letter like "Tagai". It won the 2017 Nob Yoshigahara Puzzle Design Competition Jury Grand Prize.

Mr. Monkey

Designed at date	December, 2015
Materials	Hokkaido bird cherry Red toon Wenge Japanese nutmeg-yew Mahogany
Dimensions	80 mm x 48 mm x 83 mm
Summary	This sneaky monkey may be lurking around some Japanese world heritage sights. Don’t take the bait, even if you see him! 2016 Nob Yoshigahara Puzzle Design Competition Top 10 Vote.

Tagai Red

Designed at date	October, 2015
Materials	Black walnut Japanese raisin tree Katsura tree Japanese nutmeg-yew Red toon
Dimensions	102 mm x 82 mm x 78 mm
Summary	I designed this as a Christmas present for 2012. However, I did not adopt it into my regular products because it cost too much to make.I thought that it was a shame that I couldn’t regularly make this. Therefore, I redesigned it to make it more affordable to produce.

Tagai

Designed at date	October, 2015
Materials	Black walnut Japanese raisin tree Katsura tree Japanese nutmeg-yew
Dimensions	102 mm x 82 mm x 78 mm
Summary	I designed this as a Christmas present for 2012. However, I did not adopt it into my regular products because it cost too much to make. I thought that it was a shame that I couldn’t regularly make this. Therefore, I redesigned it to make it more affordable to produce.

Sheep

Designed at date	December, 2014
Materials	Wedding cake tree (Dogwood) Monarch birch
Dimensions	95 mm x 63 mm x 60 mm
Summary	One sheep, two sheep, three sheep, four… .Get a good nights rest and sweet dreams.

Dona Dona plus

Designed at date	September, 2014
Materials	Black walnut Wedding cake tree (Dogwood) Japanese raisin tree
Dimensions	92 mm x 63 mm x 90 mm
Summary	I added 4 legs to one of my works produced as a Christmas present in 2008. The music box has been removed and a new device added.

Perfect Dona Dona

Designed at date	September, 2014
Materials	Black walnut Wedding cake tree (Dogwood) Japanese raisin tree Music box
Dimensions	92 mm x 63 mm x 90 mm
Summary	I added 4 legs to my work produced as a Christmas present in 2008. There is a music box inside. The music is "Dona Dona" which was composed by Sholom Secunda. The legs are a decoration.

Gardenia

Designed at date	December, 2013
Materials	Katsura tree Monarch birch
Dimensions	105 mm x 114 mm x 90 mm
Summary	It is a Japanese chessboard. The piece is only a knight. Please enjoy the game of go with the craftsman. The person watching must not say anything.

Flemin' plus

Designed at date	July, 2013
Materials	Monarch birch Black walnut
Dimensions	69 mm x 69 mm x 69 mm
Summary	"The size is larger than Flemin'. But the storage space is smaller, because the construction has been changed. This work has the same mechanism."

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Uroboros

Designed at date	December, 2012
Materials	Katsura tree
Dimensions	140 mm x 100 mm x 108 mm
Summary	Uroboros is an ancient symbol of a serpent or dragon who eats his own tail, symbolizing self reflexivity. Although he must feel pain by doing so, he is in a constant state of recreating himself, thus the circular shape.

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Reincarnation

Designed at date	March, 2012
Materials	Japanese cherry Black walnut
Dimensions	81 mm x 81 mm x 81 mm
Summary	This version is remade. The materials were changed. The mechanism is the same.

Dragon Wings

Designed at date	December, 2011
Materials	Japanese raisin tree Black walnut
Dimensions	194 mm x 78 mm x 67 mm
Summary	In the pitch darkness of night you can hear the fearsome roar. The dragon spreads open both of its wings and will fly away at any moment. Is that it? Its stomach looks too heavy to fly. It's bound to fly sometime in the big open sky.

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TNK

Designed at date	November, 2011
Materials	Red toon Japanese cherry Black walnut Japanese raisin tree
Dimensions	65 mm x 65 mm x 65 mm
Summary	This work has the same mechanism as Flemin'. This work's motif is "Raccoon dog". The raccoon dog can disguise itself. This box “Flemin”, is its disguise, but it forgets to hide its tail away.

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Reincarnation

Designed at date	June, 2011
Materials	Japanese cherry Black walnut Rengas Movingui (Ayan) Katsura tree
Dimensions	81 mm x 81 mm x 81 mm
Summary	The work "Recycling Box" was made 10 years ago.The craftsman wanted Japan to revive from the big earthquake, so he redesigned "Recycling Box" .The original work had dynamic movement, and was simple to open.This reincarnated version is just as dynamic and I think you will be pleasantly surprised as well.

Magic Hat

Designed at date	December, 2010
Materials	Katsura tree Black walnut Red toon
Dimensions	90 mm x 90 mm x 130 mm
Summary	The Baron Rabbit comes out from the magic hat. He came out without listening to what the magician said. So, he lost his paws. \(You can't do magic by this hat, sorry.\)

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W-O L type C

Designed at date	July, 2010
Materials	Monarch birch Black walnut
Dimensions	100 mm x 100 mm x 100 mm
Summary	This work is the large version of "W-O". You can open the 4 small storage spaces with five moves.

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W-O L type B

Designed at date	July, 2010
Materials	Monarch birch Rengas
Dimensions	100 mm x 100 mm x 100 mm
Summary	This work is the large version of "W-O". You can open the 4 small storage spaces with five moves.

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W-O L type A

Designed at date	July, 2010
Materials	Rengas Black walnut
Dimensions	100 mm x 100 mm x 100 mm
Summary	This work is the large version of "W-O". You can open the 4 small storage spaces with five moves.

Flemin'

Designed at date	June, 2010
Materials	Japanese cherry Rengas Wedding cake tree (Dogwood)
Dimensions	65 mm x 65 mm x 65 mm
Summary	Go this way and that……

Sweet Tooth Tiger

Designed at date	December, 2009
Materials	Japanese raisin tree Black walnut Wedding cake tree (Dogwood) Rengas
Dimensions	90 mm x 65 mm x 72 mm
Summary	This work, "Tiger" must be made from the Japanese raisin tree. The nose was made from the material which remained after the chin was made. Walnut modeled the design of the tiger. Sometimes troubling procedures need to be omitted. In last year's 'Dona Dona' some troublesome procedures were omitted.was omitted. But it produced an unexpected effect. Everything didn't turn out smoothly.

Dona Dona 2008

Designed at date	December, 2008
Materials	Black walnut Wedding cake tree (Dogwood) Japanese raisin tree Music box
Dimensions	92 mm x 63 mm x 65 mm
Summary	This work was designed as a Christmas present for 2008. 2009 is the Year of the Ox, and this work was designed for that reason. There is a music box inside. The music is "Dona Dona" that was composed by Sholom Secunda.

Cheese de Chu

Designed at date	December, 2007
Materials	Hokkaido bird cherry Black walnut
Dimensions	90 mm x 70 mm x 53 mm
Summary	There is a little mouse on the mouth watering cheese. It has an interesting motion. How do you open it?

Sawing Box

Designed at date	May, 2007
Materials	Japanese raisin tree Red toon Black walnut Bitterwood
Dimensions	112 mm x 112 mm x 76 mm
Summary	Two trick boxes, "Pincushion" and "Spool" with also a case.

Hoop

Designed at date	December, 2006
Materials	Hokkaido bird cherry Black walnut
Dimensions	78 mm x 62 mm x 61 mm
Summary	The appearance looks like a standard type pillbox. But, when you open it, it moves in unexpected ways. The designer gave priority to the "unexpected motion" rather than the inner space when he designed it. But, a little device was added in the final step to open it. Maybe it is easy to open. It takes 5 steps to be opened.

Small Hermit Crab Box C

Designed at date	October, 2006
Materials	Japanese raisin tree Rengas Katsura tree
Dimensions	80 mm x 80 mm x 40 mm
Summary	This is a popular edition of The Hermit Crab Box. It has the same system. The partition plate of the drawer was reduced. Maybe it's convenient to put any small objects into it.

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Small Hermit Crab Box B

Designed at date	October, 2006
Materials	Rengas Black walnut Katsura tree
Dimensions	80 mm x 80 mm x 40 mm
Summary	This is a popular edition of The Hermit Crab Box. It has the same system. The partition plate of the drawer was reduced. Maybe it's convenient to put any small objects into it.

Small Hermit Crab Box A

Designed at date	October, 2006
Materials	Japanese raisin tree Black walnut Katsura tree
Dimensions	80 mm x 80 mm x 40 mm
Summary	This is a popular edition of The Hermit Crab Box. It has the same system. The partition plate of the drawer was reduced. Maybe it's convenient to put any small objects into it.

Goblet Secret Box red toon

Designed at date	January, 2006
Materials	Red toon Wenge Katsura tree
Dimensions	120 mm x 54 mm x 74 mm
Summary	This was made in the image of the Rubin's goblet (vase). It will be difficult for six days, coming and going... (it can be opened in 6 moves.)

Goblet Secret Box silky oak

Designed at date	January, 2006
Materials	Shilky oak Wenge Katsura tree
Dimensions	120 mm x 54 mm x 74 mm
Summary	This was made in the image of the Rubin's goblet (vase). It will be difficult for six days, coming and going... (it can be opened in 6 moves.)

Free Dial

Designed at date	December, 2005
Materials	Japanese raisin tree Red toon Black walnut
Dimensions	70 mm x 66 mm x 63 mm
Summary	Actually in this tiny box is loaded the enchanted power! Try! Let's turn the red dial in the front of the box. What happened? Probably it will be fantastic things. You might have a romance, might receive a message from somebody that lives far off in the Universe, or...?

W-Z type B

Designed at date	May, 2005
Materials	Japanese cherry Rengas
Dimensions	90 mm x 90 mm x 90 mm
Summary	You can transform the cube into two shapes, 4 patterns. The mechanism is unlocked, and you can always transform it freely. The space inside is small and the craftsman doesn't recommend you to put it for practical use. I think that this work is a transformable object. Therefore not only the facing, but also the inner parts are made by different materials.

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W-O

Designed at date	May, 2005
Materials	Rengas Black walnut
Dimensions	90 mm x 90 mm x 90 mm
Summary	The craftsman added some more locks to the W-Z, and designed this W-O. I modified the motion from the W-Z. You can open the 4 small storage spaces with five moves. It takes a lot of times to make for complex mechanism, however it is worthwhile work. It won 2005 Puzzle Design Competition Puzzlers' Award and First Prize.

W-Z type A

Designed at date	May, 2005
Materials	Japanese cherry Black walnut
Dimensions	90 mm x 90 mm x 90 mm
Summary	You can transform the cube into two shapes, 4 patterns. The mechanism is unlocked, and you can always transform it freely. The space inside is small and the craftsman doesn't recommend you to put it for practical use. I think that this work is a transformable object. Therefore not only the facing, but also the inner parts are made by different materials.

Hermit Crab Box (walnut)

Designed at date	April, 2004
Materials	Black walnut Japanese raisin tree Japanese magnolia
Dimensions	100 mm x 100 mm x 54 mm
Summary	Small boxes come out from the box one after another. Enjoy the movement that look like a hermit crab goes out of his own shell. It's a little difficult to find the first step. At first it was designed as a more difficult puzzle, however it was redesigned more simply for the movement. It won The Third All Japan Wooden Crafts Competition Silver Prize.

Hermit Crab Box (hound's-tooth check)

Designed at date	April, 2004
Materials	Japanese raisin tree Black walnut Japanese magnolia
Dimensions	100 mm x 100 mm x 54 mm
Summary	Small boxes come out from the box one after another. Enjoy the movement that look like a hermit crab goes out of his own shell. It's a little difficult to find the first step. At first it was designed as a more difficult puzzle, however it was redesigned more simply for the movement. It won The Third All Japan Wooden Crafts Competition Silver Prize.

Hermit Crab Box

Designed at date	April, 2004
Materials	Japanese raisin tree Black walnut Japanese magnolia
Dimensions	100 mm x 100 mm x 54 mm
Summary	Small boxes come out from the box one after another. Enjoy the movement that look like a hermit crab goes out of his own shell. It's a little difficult to find the first step. At first it was designed as a more difficult puzzle, however it was redesigned more simply for the movement. It won The Third All Japan Wooden Crafts Competition Silver Prize.

Monkeys’ Palanquin

Designed at date	June, 2003
Materials	Black walnut Katsura tree Rosewood
Dimensions	129 mm x 89 mm x 63 mm
Summary	This box was created in the summer 2003. On January 2004. I retired from a Yosegi company, and began to work alone. After that, this box is the first product. This looks like a traditional secret box, but you will be surprised to find the unique movement. This box was named from the structure that looks like a nursery rhyme, two monkies carried small compartment and went over the hard Hakone pass. It won 2004 Puzzle Design Competition First Prize.

Small stellated dodecahedron secret box B

Designed at date	August, 2001
Materials	Peru walnut Japanese lacquer tree Makore (Baku, Cherry mahogany, African cherry) Mansonia (Aprono) Katsura tree Japanese magnolia
Dimensions	125 mm x 125 mm x 125 mm
Summary	All the 12 spikes move, but you can't open it with just 12 moves. It takes 28 moves to open. Can you open it? Only the color is different between these two products.

Small stellated dodecahedron secret box A

Designed at date	August, 2001
Materials	Black walnut Katsura tree Japanese magnolia
Dimensions	125 mm x 125 mm x 125 mm
Summary	All the 12 spikes move, but you can't open it with just 12 moves. It takes 28 moves to open. Can you open it? Only the color is different between these two products.

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Whorl C

Designed at date	April, 2001
Materials	Peru walnut Katsura tree Rengas Bitterwood Japanese magnolia Oak
Dimensions	85 mm x 85 mm x 85 mm
Summary	This is a developed Secret Box. You can slide the plate as a whorl, or in a circular motion. A plate moves but the motion is epoch-making, and different from traditional ones. The name gives you a big hint.

Whorl B

Designed at date	April, 2001
Materials	Peru walnut Katsura tree Wedding cake tree (Dogwood)
Dimensions	85 mm x 85 mm x 85 mm
Summary	This is a developed Secret Box. You can slide the plate as a whorl, or in a circular motion. A plate moves but the motion is epoch-making, and different from traditional ones. The name gives you a big hint.

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Solo D

Designed at date	April, 2001
Materials	Peru walnut Katsura tree Rengas Bitterwood Japanese magnolia Oak
Dimensions	85 mm x 85 mm x 85 mm
Summary	This is a developed Secret Box. You can open it using 10 movements.

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Solo C

Designed at date	April, 2001
Materials	Peru walnut Katsura tree Rengas Bitterwood Japanese magnolia Oak
Dimensions	85 mm x 85 mm x 85 mm
Summary	This is a developed Secret Box. You can open it using 10 movements.

Recycling Box B

Designed at date	August, 2000
Materials	Oak Black walnut Japanese magnolia
Dimensions	80 mm x 80 mm x 80 mm
Summary	You can move the six arrows little by little. Finally you can open the box inside. Only the color is different between them.

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Recycling Box A

Designed at date	August, 2000
Materials	Black walnut Bitterwood Ebony Rengas Japanese magnolia
Dimensions	80 mm x 80 mm x 80 mm
Summary	You can move the six arrows little by little. Finally you can open the box inside. Only the color is different between them.

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Whorl A

Designed at date	March, 2000
Materials	Black walnut Rengas Japanese magnolia
Dimensions	80 mm x 85 mm x 90 mm
Summary	This is a developed Secret Box. You can slide the plate as a whorl, or in a circular motion. A plate moves but the motion is epoch-making, and different from traditional ones. The name gives you a big hint.

Solo B

Designed at date	March, 2000
Materials	Black walnut Rengas Makore (Baku, Cherry mahogany, African cherry) Japanese lacquer tree Japanese magnolia
Dimensions	80 mm x 83 mm x 85 mm
Summary	This is a developed Secret Box. You can open it using 10 movements.

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Solo A

Designed at date	March, 2000
Materials	Bog oak Rengas Japanese lacquer tree Makore (Baku, Cherry mahogany, African cherry) Japanese magnolia
Dimensions	80 mm x 80 mm x 80 mm
Summary	This is a developed Secret Box. You can open it using 10 movements.

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Quartet B

Designed at date	March, 2000
Materials	Peru walnut Rengas Japanese lacquer tree Makore (Baku, Cherry mahogany, African cherry) Japanese magnolia
Dimensions	160 mm x 160 mm x 80 mm
Summary	I combined 4 cubic secret boxes. They move up and down or side to side. The movements are related to each side. At last, you can open each of the 4 lids on top. It won 2001 Puzzle Design Competition First Prize.

Quartet A

Designed at date	March, 2000
Materials	Bog oak Rengas Japanese lacquer tree Makore (Baku, Cherry mahogany, African cherry) Japanese magnolia
Dimensions	160 mm x 160 mm x 80 mm
Summary	I combined 4 cubic secret boxes. They move up and down or side to side. The movements are related to each side. At last, you can open each of the 4 lids on top. It won 2001 Puzzle Design Competition First Prize.