Toshimitsu Harada

Follow

Person

Ibaraki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electrophotographic recording apparatus having improved residual to...
- Patent number 5,481,351
- Issue date Jan 2, 1996
- Hitachi Koki Co., Ltd.
- Katsuya Kawai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning device for dry electrophotographic device
- Patent number 5,237,377
- Issue date Aug 17, 1993
- Hitachi Koki Co., Ltd.
- Toshimitsu Harada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning unit for a xerographic printing machine
- Patent number 5,212,530
- Issue date May 18, 1993
- Hitachi Koki Co., Ltd.
- Toshimitsu Harada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
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