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Masaya Kobayashi
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Hachioji, JP
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last 30 patents
Information
Patent Grant
Optical system for recording and reproducing for use in optical inf...
Patent number
6,049,519
Issue date
Apr 11, 2000
Konica Corporation
Norikazu Arai
G02 - OPTICS
Information
Patent Grant
Optical system for recording and reproducing for use in optical inf...
Patent number
5,966,362
Issue date
Oct 12, 1999
Konica Corporation
Norikazu Arai
G02 - OPTICS
Information
Patent Grant
Information pick-up apparatus and optical disk apparatus
Patent number
5,920,532
Issue date
Jul 6, 1999
Konica Corporation
Katsuya Yagi
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical system for recording and/or reproducing an optical informat...
Patent number
5,818,809
Issue date
Oct 6, 1998
Konica Corporation
Norikazu Arai
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical pickup apparatus objective lens and converging optical syst...
Patent number
5,757,758
Issue date
May 26, 1998
Konica Corporation
Katsuya Yagi
G11 - INFORMATION STORAGE
Information
Patent Grant
Information pick-up apparatus and optical disk apparatus
Patent number
5,754,513
Issue date
May 19, 1998
Konica Corporation
Katsuya Yagi
G11 - INFORMATION STORAGE
Information
Patent Grant
Objective lens for recording and reproducing for use in an optical...
Patent number
5,724,335
Issue date
Mar 3, 1998
Konica Corporation
Masaya Kobayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical system for use in recording and reading information on an o...
Patent number
5,475,537
Issue date
Dec 12, 1995
Konica Corporation
Masaya Kobayashi
G02 - OPTICS