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Takatoshi Minoda
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Kikuchi-gun, JP
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Patents Grants
last 30 patents
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Patent Grant
Diffractive element, method of manufacturing the same, optical pick...
Patent number
7,729,227
Issue date
Jun 1, 2010
Panasonic Corporation
Takatoshi Minoda
G11 - INFORMATION STORAGE
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Patent Grant
Magnetic record medium with a magnetic layer coated with successive...
Patent number
5,137,784
Issue date
Aug 11, 1992
Matsushita Electric Industrial Co., Ltd.
Takashi Suzuki
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
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Patent Application
Optical component and optical pickup device
Publication number
20060285231
Publication date
Dec 21, 2006
Matsushita Electric Industrial Co., Ltd.
Yoshihiro Kiyomura
G02 - OPTICS
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Patent Application
Diffractive element, method of manufacturing the same, optical pick...
Publication number
20060176559
Publication date
Aug 10, 2006
Matsushita Electric Industrial Co., Ltd.
Takatoshi Minoda
G02 - OPTICS