Tadahiro Yasuda

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Fuchu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Transfer device for use in retention type electrophotographic copyi...
- Patent number 4,401,383
- Issue date Aug 30, 1983
- Olympus Optical Company Limited
- Yoshiro Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer unit for electrophotographic copying machine
- Patent number 4,396,273
- Issue date Aug 2, 1983
- Olympus Optical Company Ltd.
- Takashi Matsuyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic sensitizing screen with peripherally clogged ap...
- Patent number 4,394,427
- Issue date Jul 19, 1983
- Olympus Optical Company Limited
- Masaji Nishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic sensitizing screen
- Patent number 4,279,980
- Issue date Jul 21, 1981
- Olympus Optical Co., Ltd.
- Masaji Nishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic sensitizing screen
- Patent number 4,272,597
- Issue date Jun 9, 1981
- Masaji Nishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Devices for developing an electrostatic charge image on a record sh...
- Patent number 4,111,156
- Issue date Sep 5, 1978
- Olympus Optical Co., Ltd.
- Masaji Nishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY