Koji Hata

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Aperture value determining device for a flash system
- Patent number 5,144,359
- Issue date Sep 1, 1992
- Minolta Camera Kabushiki Kaisha
- Kohtaro Hayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Flash system
- Patent number 5,051,769
- Issue date Sep 24, 1991
- Minolta Camera Kabushiki Kaisha
- Kohtaro Hayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Camera system
- Patent number 5,040,014
- Issue date Aug 13, 1991
- Minolta Camera Kabushiki Kaisha
- Koji Hata
- G02 - OPTICS
Information Patent Grant
Exposure controlling apparatus of a camera having a plurality of ar...
- Patent number 5,023,649
- Issue date Jun 11, 1991
- Minolta Camera Kabushiki Kaisha
- Kohtaro Hayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Brightness measuring apparatus for providing adequate object bright...
- Patent number 4,984,006
- Issue date Jan 8, 1991
- Minolta Camera Kabushiki Kaisha
- Masayuki Ikemura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY