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Shigekazu Fujimoto
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Process for the fabrication of a phase mask for optical fiber proce...
Patent number
7,153,613
Issue date
Dec 26, 2006
Dai Nippon Printing Co., Ltd.
Masaaki Kurihara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Substrate having character/symbol section and processing method of...
Patent number
7,070,907
Issue date
Jul 4, 2006
Dai Nippon Printing Co., Ltd.
Shigekazu Fujimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Phase mask for forming diffraction grating, and optical fiber and o...
Patent number
6,876,792
Issue date
Apr 5, 2005
Dai Nippon Printing Co., Ltd.
Masaaki Kurihara
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Phase mask for forming diffraction grating, and optical fiber and o...
Publication number
20040005117
Publication date
Jan 8, 2004
Masaaki Kurihara
G02 - OPTICS
Information
Patent Application
Process for the fabrication of a phase mask for optical fiber proce...
Publication number
20030077039
Publication date
Apr 24, 2003
Masaaki Kurihara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Substrate having character/symbol section and processing method of...
Publication number
20030044730
Publication date
Mar 6, 2003
Shigekazu Fujimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY