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Takefumi Sakurada
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Akishima, JP
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last 30 patents
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Patent Grant
Optical recording/reproducing apparatus capable of multi-track acce...
Patent number
5,583,836
Issue date
Dec 10, 1996
Olympus Optical Co., Ltd.
Takao Rokutan
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information recording and reproducing apparatus in which re...
Patent number
5,568,458
Issue date
Oct 22, 1996
Olympus Optical Co., Ltd.
Naoaki Tani
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording/reproducing apparatus capable of multi-track acce...
Patent number
5,511,051
Issue date
Apr 23, 1996
Olympus Optical Co., Ltd.
Takao Rokutan
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information recording/reproducing device which simultaneous...
Patent number
5,438,563
Issue date
Aug 1, 1995
Olympus Optical Co., Ltd.
Mitsuo Oshiba
G11 - INFORMATION STORAGE
Information
Patent Grant
Apparatus and method for reproducing information data from optical...
Patent number
5,402,399
Issue date
Mar 28, 1995
Olympus Optical Co., Ltd.
Mitsuo Oshiba
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information recording/reproducing device capable of recordi...
Patent number
5,400,308
Issue date
Mar 21, 1995
Olympus Optical Co., Ltd.
Takumi Sugaya
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information recording/regenerating apparatus and track scan...
Patent number
5,398,225
Issue date
Mar 14, 1995
Olympus Optical Co., Ltd.
Takumi Sugaya
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information recording/reproducing apparatus for performing...
Patent number
5,394,385
Issue date
Feb 28, 1995
Olympus Optical Co., Ltd.
Takefumi Sakurada
G11 - INFORMATION STORAGE
Information
Patent Grant
Recording and reproducing system for use with different arrangement...
Patent number
5,371,723
Issue date
Dec 6, 1994
Olympus Optical Co., Ltd.
Takefumi Sakurada
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Optical card scanning apparatus
Patent number
5,192,858
Issue date
Mar 9, 1993
Olympus Optical Co., Ltd.
Takefumi Sakurada
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Display apparatus for displaying a position indicating mark over a...
Patent number
5,047,754
Issue date
Sep 10, 1991
Olympus Optical Co., Ltd.
Yuichiro Akatsuka
G06 - COMPUTING CALCULATING COUNTING