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Isamu Hashimoto
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Tokyo, JP
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last 30 patents
Information
Patent Grant
Electronic flash control device employing a plurality of control si...
Patent number
RE35196
Issue date
Apr 2, 1996
Asahi Kogaku Kogyo Kabushiki Kaisha
Shigeru Iwamoto
354 -
Information
Patent Grant
Data communication method between circuits
Patent number
5,467,200
Issue date
Nov 14, 1995
Asahi Kogaku Kogyo Kabushiki Kaisha
Yutaka Ohsawa
G08 - SIGNALLING
Information
Patent Grant
Data communication method between circuits
Patent number
5,365,350
Issue date
Nov 15, 1994
Asahi Kogaku Kogyo Kabushiki Kaisha
Masahiro Kawasaki
G08 - SIGNALLING
Information
Patent Grant
Data communication method between circuits
Patent number
5,283,663
Issue date
Feb 1, 1994
Asahi Kogaku Kogyo Kabushiki Kaisha
Masahiro Kawasaki
G08 - SIGNALLING
Information
Patent Grant
Exposure control apparatus of camera having an auto-exposure bracke...
Patent number
5,253,009
Issue date
Oct 12, 1993
Asahi Kogaku Kogyo Kabushiki Kaisha
Osamu Satou
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Exposure control apparatus of camera having an automatic exposure b...
Patent number
5,164,758
Issue date
Nov 17, 1992
Asahi Kogaku Kogyo Kabushiki Kaisha
Osamu Satou
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electronic flash control device employing a plurality of control si...
Patent number
5,138,361
Issue date
Aug 11, 1992
Asahi Kogaku Kogyo K.K.
Shigeru Iwamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Exposure control apparatus of camera
Patent number
5,099,267
Issue date
Mar 24, 1992
Asahi Kogaku Kogyo Kabushiki Kaisha
Osamu Satou
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electronically controlled camera
Patent number
4,855,772
Issue date
Aug 8, 1989
Asahi Optical Co., Ltd.
Isamu Hashimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photosensor apparatus with light integration control
Patent number
4,547,676
Issue date
Oct 15, 1985
Asahi Kogaku Kogyo Kabushiki Kaisha
Takeomi Suzuki
G02 - OPTICS