Hiroshi Harashima

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Contact charging method and apparatus
- Patent number 5,602,712
- Issue date Feb 11, 1997
- Bridgestone Corporation
- Hideharu Daifuku
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing roller and apparatus
- Patent number 5,434,653
- Issue date Jul 18, 1995
- Bridgestone Corporation
- Yoshio Takizawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Method of manufacturing a roller having a crown shape
- Publication number 20030232147
- Publication date Dec 18, 2003
- Bridgestone Corporation
- Hiroshi Harashima
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Charging member, charging device and manufacture of charging roller
- Publication number 20020119324
- Publication date Aug 29, 2002
- Bridgestone Corporation
- Hiroshi Harashima
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC