Hiroyoshi Tokoro

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Ibaraki, JP

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Patents Grantslast 30 patents

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Electrophotographic device provided with a mechanism for attaching...
- Patent number 5,243,394
- Issue date Sep 7, 1993
- Hitachi, Ltd.
- Junichi Matsuno
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Mechanism for preventing skew of cut paper sheet
- Patent number 5,092,579
- Issue date Mar 3, 1992
- Hitachi Koki Co., Ltd.
- Hiroyoshi Tokoro
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Developing apparatus for xerography
- Patent number 5,006,898
- Issue date Apr 9, 1991
- Hitachi Koki Co., Ltd.
- Junji Kobayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Cleaner for toner fixing device
- Patent number 4,821,077
- Issue date Apr 11, 1989
- Hitachi Koki Co., Ltd.
- Mitsuaki Hayakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Duplex printing machine
- Patent number 4,806,979
- Issue date Feb 21, 1989
- Hitachi Koki Co., Ltd.
- Hiroyoshi Tokoro
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Electrophotographic developing device having a shaped doctor board
- Patent number 4,796,561
- Issue date Jan 10, 1989
- Hitachi Koki Company, Limited
- Yasuo Takano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY