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Yoshihiro Nakayama
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Utsunomiya, JP
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Patents Grants
last 30 patents
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Patent Grant
Oil coating roller, seal ring used for the roller, and fixing devic...
Patent number
6,668,150
Issue date
Dec 23, 2003
Matsushita Electric Industrial Co., Ltd.
Akinori Toyoda
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Optical system housing structure for image forming apparatus
Patent number
5,281,997
Issue date
Jan 25, 1994
Matsushita Electric Industrial Co., Ltd.
Takahisa Araki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Optical system housing structure for image forming apparatus
Patent number
5,243,386
Issue date
Sep 7, 1993
Matsushita Electric Industrial Co., Ltd.
Takahisa Araki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
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Patent Application
Oil coating roller, seal ring used for the roller, and fixing devic...
Publication number
20020181978
Publication date
Dec 5, 2002
Akinori Toyoda
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...