HIROYASU KATO

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BISAI-SHI, JP

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Patents Grantslast 30 patents

Information Patent Grant
Charging roll whose outermost layer contains grafted carbon
- Patent number 6,454,688
- Issue date Sep 24, 2002
- Tokai Rubber Industries, Ltd.
- Hirofumi Okuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Roll including foam body and method of producing the roll
- Patent number 6,096,395
- Issue date Aug 1, 2000
- Tokai Rubber Industries, Ltd.
- Saburo Hayashi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Electrically conductive roll whose base layer is formed of ion-cond...
- Patent number 5,604,031
- Issue date Feb 18, 1997
- Tokai Rubber Industries, Ltd.
- Takafumi Yamamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Conductive roll
- Patent number 5,312,662
- Issue date May 17, 1994
- Tokai Rubber Industries, Ltd.
- Yuji Ohta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
CHARGING ROLL WHOSE OUTERMOST LAYER CONTAINS GRAFTED CARBON
- Publication number 20020086781
- Publication date Jul 4, 2002
- HIROFUMI OKUDA
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC