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Hiroyuki Imabayashi
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Machida, JP
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last 30 patents
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Patent Grant
Optical pick-up head and integrated type optical unit for use in op...
Patent number
5,898,167
Issue date
Apr 27, 1999
Olympus Optical Co., Ltd.
Toru Musha
G02 - OPTICS
Information
Patent Grant
Optical pick-up head and integrated type optical unit for use in op...
Patent number
5,814,807
Issue date
Sep 29, 1998
Olympus Optical Co., Ltd.
Toru Musha
G02 - OPTICS
Information
Patent Grant
Optical pick-up head and integrated type optical unit for use in op...
Patent number
5,804,814
Issue date
Sep 8, 1998
Toru Musha
G02 - OPTICS
Information
Patent Grant
Optical pick-up apparatus having hologram and beam splitter with bi...
Patent number
5,621,714
Issue date
Apr 15, 1997
Olympus Optical Co., Ltd.
Shohei Kobayashi
G11 - INFORMATION STORAGE