Seiji Kawasumi

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Planographic printing plate with electrolytically roughened design...
- Patent number 5,463,952
- Issue date Nov 7, 1995
- Fuji Photo Film Co., Ltd.
- Seiji Kawasumi
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method for electrolytic treatment
- Patent number 5,358,610
- Issue date Oct 25, 1994
- Fuji Photo Film Co., Ltd.
- Seiji Kawasumi
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method for electrochemically roughening a surface of a metal plate
- Patent number 5,328,573
- Issue date Jul 12, 1994
- Fuji Photo Film Co., Ltd.
- Seiji Kawasumi
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method and apparatus for electrolytic treatment
- Patent number 5,221,442
- Issue date Jun 22, 1993
- Fuji Photo Film Co., Ltd.
- Seiji Kawasumi
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR