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Shohei Morikawa
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Yokohama-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Electroconductive polyurethane foam
Patent number
5,656,344
Issue date
Aug 12, 1997
Bridgestone Corporation
Eiji Sawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Grant
Electric charging member and electric charging apparatus
Patent number
5,475,473
Issue date
Dec 12, 1995
Bridgestone Corporation
Yoshitomo Masuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
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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