Koji Yamaguchi

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Gifu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Developing roll
- Patent number 7,356,294
- Issue date Apr 8, 2008
- Tokai Rubber Industries, Ltd.
- Masanori Ishida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sheet feeding roller
- Patent number 7,284,649
- Issue date Oct 23, 2007
- Tokai Rubber Industries, Ltd.
- Keita Shiraki
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Roll
- Patent number 6,692,422
- Issue date Feb 17, 2004
- Tokai Rubber Industries, Ltd.
- Koji Yamaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Developing roll
- Publication number 20060147229
- Publication date Jul 6, 2006
- TOKAI RUBBER INDUSTRIES, LTD.
- Masanori Ishida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Sheet feeding roller
- Publication number 20060142132
- Publication date Jun 29, 2006
- TOKAI RUBBER INDUSTRIES, LTD.
- Keita Shiraki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Charging member
- Publication number 20030083411
- Publication date May 1, 2003
- TOKAI RUBBER INDUSTRIES, LTD.
- Hiroki Sugiura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Roll
- Publication number 20020160895
- Publication date Oct 31, 2002
- TOKAI RUBBER INDUSTRIES, LTD.
- Koji Yamaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Conductive roll and manufacturing method thereof
- Publication number 20020035020
- Publication date Mar 21, 2002
- TOKAI RUBBER INDUSTRIES, LTD.
- Koji Yamaguchi
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC