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Hitoshi Imai
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Amagasaki, JP
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last 30 patents
Information
Patent Grant
Optical recording and reproducing apparatus having a pickup head in...
Patent number
5,313,441
Issue date
May 17, 1994
Mitsubishi Denki Kabushiki Kaisha
Hitoshi Imai
G11 - INFORMATION STORAGE
Information
Patent Grant
Apparatus for detecting positional deviation of a moving stage in a...
Patent number
5,199,012
Issue date
Mar 30, 1993
Mitsubishi Denki Kabushiki Kaisha
Hitoshi Imai
G11 - INFORMATION STORAGE
Information
Patent Grant
Means for securing a photodetector to a base plate or the like
Patent number
5,111,041
Issue date
May 5, 1992
Mitsubishi Denki Kabushiki Kaisha
Hitoshi Imai
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording and/or reproducing apparatus having a temperature...
Patent number
5,051,975
Issue date
Sep 24, 1991
Mitsubishi Denki Kabushiki Kaisha
Michihiro Tadokoro
G11 - INFORMATION STORAGE
Information
Patent Grant
Magneto-optic recording and reproducing apparatus including a multi...
Patent number
5,025,430
Issue date
Jun 18, 1991
Mitsubishi Denki Kabushiki Kaisha
Michihiro Takokoro
G11 - INFORMATION STORAGE
Information
Patent Grant
Magneto-optic information-carrying medium including three magnetic...
Patent number
5,016,232
Issue date
May 14, 1991
Mitsubishi Denki Kabushiki Kaisha
Michihiro Tadokoro
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical data storage system with wavelength selective laminate
Patent number
4,962,479
Issue date
Oct 9, 1990
Mitsubishi Denki Kabushiki Kaisha
Hitoshi Imai
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical reading or writing apparatus
Patent number
4,881,204
Issue date
Nov 14, 1989
Mitsubishi Denki Kabushiki Kaisha
Michihiro Tadokoro
G11 - INFORMATION STORAGE
Information
Patent Grant
Wavelength selective optical data storage system
Patent number
4,876,666
Issue date
Oct 24, 1989
Mitsubishi Denki Kabushiki Kaisha
Hitoshi Imai
G11 - INFORMATION STORAGE
Information
Patent Grant
Wavelength selective optical data storage system
Patent number
4,868,807
Issue date
Sep 19, 1989
Mitsubishi Denki Kabushiki Kaisha
Kazuo Okada
G11 - INFORMATION STORAGE
Information
Patent Grant
Apparatus for positioning an optical element
Patent number
4,861,139
Issue date
Aug 29, 1989
Mitsubishi Denki Kabushiki
Nobuyoshi Andou
G11 - INFORMATION STORAGE
Information
Patent Grant
Focus detecting apparatus utilizing reflecting surface having varia...
Patent number
4,862,442
Issue date
Aug 29, 1989
Mitsubishi Denki Kabushiki Kaisha
Michihiro Tadokoro
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical head for an optical recording and reproducing apparatus
Patent number
4,841,507
Issue date
Jun 20, 1989
Mitsubishi Denki Kabushiki Kaisha
Hitoshi Imai
G11 - INFORMATION STORAGE