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Nobuyoshi Hagyuda
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Tokyo, JP
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last 30 patents
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Patent Grant
Flash control device for electronic flash apparatus
Patent number
4,626,093
Issue date
Dec 2, 1986
Nippon Kogaku K.K.
Hideki Matsui
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Flash device
Patent number
4,561,751
Issue date
Dec 31, 1985
Nippon Kogaku K.K.
Nobuyoshi Hagyuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electronic flash unit utilizing pre-flash illumination of flashtube
Patent number
4,555,648
Issue date
Nov 26, 1985
Nippon Kogaku K.K.
Yoshikazu Iida
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Automatic control type electronic flash apparatus
Patent number
4,523,830
Issue date
Jun 18, 1985
Nippon Kogaku K.K.
Yoshikazu Iida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electronic flash apparatus
Patent number
4,519,683
Issue date
May 28, 1985
Nippon Kogaku K.K.
Nobuyoshi Hagyuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Display unit for flashlight photography
Patent number
4,494,851
Issue date
Jan 22, 1985
Nippon Kogaku K.K.
Osamu Maida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photographic system including remote controllable flash unit
Patent number
4,368,966
Issue date
Jan 18, 1983
Nippon Kogaku K.K.
Nobuyoshi Hagyuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Camera having a data photographing device
Patent number
4,362,369
Issue date
Dec 7, 1982
Nippon Kogaku K.K.
Kazuyuki Kazami
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Data recording device
Patent number
4,322,147
Issue date
Mar 30, 1982
Nippon Kogaku K.K.
Ryuzo Motoori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Distance information judging circuit for focus detecting apparatus
Patent number
4,269,491
Issue date
May 26, 1981
Nippon Kogaku K.K.
Nobuyoshi Hagyuda
G02 - OPTICS