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Yoshiyuki Miyake
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Chiyoda-ku, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Phase plate and an optical data recording/reproducing device
Patent number
7,564,504
Issue date
Jul 21, 2009
Asahi Glass Company, Limited
Yoshiharu Ooi
G11 - INFORMATION STORAGE
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Patent Grant
Glass capillary tube and method for its production
Patent number
4,882,209
Issue date
Nov 21, 1989
Asahi Glass Company, Ltd.
Tsutomu Maruyama
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Phase plate and an optical data recording/reproducing device
Publication number
20050213212
Publication date
Sep 29, 2005
ASAHI GLASS COMPANY, LIMITED
Yoshiharu Ooi
G02 - OPTICS