Kenji Yasunaka

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Yamaguchi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and equipment for production of laminated metal sheet
- Patent number 6,080,260
- Issue date Jun 27, 2000
- Toyo Kohan Co., Ltd.
- Kenji Yasunaka
- B32 - LAYERED PRODUCTS
Information Patent Grant
Laminated sheet and manufacturing method thereof
- Patent number 6,017,599
- Issue date Jan 25, 2000
- Toyo Kohan Co., Ltd.
- Yoshiki Sakamoto
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method and apparatus for production of laminated metal sheet
- Patent number 5,992,493
- Issue date Nov 30, 1999
- Toyo Kohan Co., Ltd.
- Kenji Yasunaka
- B32 - LAYERED PRODUCTS