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Masahiro Suzuki
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Ibaraki-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Lens unit, camera module and manufacturing method of lens unit
Patent number
8,526,129
Issue date
Sep 3, 2013
Hitachi Maxell, Ltd.
Hiroyuki Hirata
G02 - OPTICS
Information
Patent Grant
Optical disc manufacturing method
Patent number
5,273,598
Issue date
Dec 28, 1993
Hitachi Maxell, Ltd.
Toshio Higasihara
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical data recording medium and method of manufacturing the same
Patent number
5,085,910
Issue date
Feb 4, 1992
Hitachi Maxell, Ltd.
Seiichi Matsushima
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information recording disc and apparatus for driving the disc
Patent number
5,072,438
Issue date
Dec 10, 1991
Hitachi Maxell, Ltd.
Masahiro Suzuki
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disc
Patent number
4,911,968
Issue date
Mar 27, 1990
Hitachi Maxell, Ltd.
Tosio Higasihara
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording disc
Patent number
4,710,913
Issue date
Dec 1, 1987
Hitachi Maxell, Ltd.
Seiichi Matsushima
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
LENS UNIT, CAMERA MODULE AND MANUFACTURING METHOD OF LENS UNIT
Publication number
20110063739
Publication date
Mar 17, 2011
HITACHI MAXELL, LTD.
Hiroyuki Hirata
G02 - OPTICS