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Masanobu Nishikata
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Tokyo, JP
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last 30 patents
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Patent Grant
Multi-layered optical disk reproducing method with focus search
Patent number
5,835,460
Issue date
Nov 10, 1998
Sony Corporation
Masanobu Nishikata
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disk and reproducing apparatus including a focus search con...
Patent number
5,793,720
Issue date
Aug 11, 1998
Sony Corporation
Masanobu Nishikata
G11 - INFORMATION STORAGE
Information
Patent Grant
Multi-layered optical disk reproducing apparatus with focus search
Patent number
5,754,507
Issue date
May 19, 1998
Sony Corporation
Masanobu Nishikata
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disk player with disk size and pickup location responsive s...
Patent number
5,056,075
Issue date
Oct 8, 1991
Sony Corporation
Keiji Maruta
G11 - INFORMATION STORAGE