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Hitoshi Hirobe
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Tokyo, JP
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last 30 patents
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Patent Grant
Demagnetizing apparatus for erasing signals recorded on concentric...
Patent number
4,821,127
Issue date
Apr 11, 1989
Fuji Photo Film Co., Ltd.
Takashi Soga
G11 - INFORMATION STORAGE
Information
Patent Grant
Still picture recording apparatus
Patent number
4,792,866
Issue date
Dec 20, 1988
Fuji Photo Film Co., Ltd.
Hitoshi Hirobe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Exposure controlling method for television camera
Patent number
4,719,511
Issue date
Jan 12, 1988
Asahi Kogaku Kogyo Kabushiki Kaisha
Hitoshi Hirobe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Automatic focusing device for video camera
Patent number
4,558,367
Issue date
Dec 10, 1985
Asahi Kogaku Kogyo Kabushiki Kaisha
Shinji Urata
G02 - OPTICS
Information
Patent Grant
Spot exposure adjustment circuit
Patent number
4,535,364
Issue date
Aug 13, 1985
Asahi Kogaku Kogyo Kabushiki Kaisha
Hitoshi Hirobe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Automatic focusing device
Patent number
4,465,352
Issue date
Aug 14, 1984
Asahi Kogaku Kogyo Kabushiki Kaisha
Hitoshi Hirobe
G02 - OPTICS
Information
Patent Grant
Zooming device
Patent number
4,445,757
Issue date
May 1, 1984
Asahi Kogaku Kogyo Kabushiki Kaisha
Shigeo Enomoto
G02 - OPTICS