Yoshiki Sakamoto

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Yamaguchi-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Thermoplastic resin-coated metal plate, and method of and apparatus...
- Patent number 6,217,991
- Issue date Apr 17, 2001
- Toyo Kohan Co., Ltd.
- Atsuo Tanaka
- B32 - LAYERED PRODUCTS
Information Patent Grant
Method and apparatus for manufacturing metallic sheet covered with...
- Patent number 6,200,409
- Issue date Mar 13, 2001
- Toyo Kohan., Ltd.
- Atsuo Tanaka
- B32 - LAYERED PRODUCTS
Information Patent Grant
Equipment for manufacturing laminated metal sheet
- Patent number 6,164,358
- Issue date Dec 26, 2000
- Toyo Kohan Co., Ltd.
- Noriaki Kaguma
- B32 - LAYERED PRODUCTS
Information Patent Grant
Method and apparatus for producing laminate board
- Patent number 6,106,658
- Issue date Aug 22, 2000
- Toyo Kohan Co. Ltd.
- Noriaki Kaguma
- 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