Shigenobu Osawa

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Developing device having developing roller and conductive member
- Patent number 5,477,006
- Issue date Dec 19, 1995
- Kabushiki Kaisha Toshiba
- Koji Imamiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device having first and second toner supply means with a...
- Patent number 5,324,884
- Issue date Jun 28, 1994
- Kabushiki Kaisha Toshiba
- Toshiro Honda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electronic copying apparatus having function of partially changing...
- Patent number 4,857,958
- Issue date Aug 15, 1989
- Kabushiki Kaisha Toshiba
- Shigenobu Osawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charged latent image developing apparatus
- Patent number 4,804,995
- Issue date Feb 14, 1989
- Kabushiki Kaisha Toshiba
- Shigenobu Osawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic method and apparatus using alternating current...
- Patent number 4,647,181
- Issue date Mar 3, 1987
- Tokyo Shibaura Denki Kabushiki Kaisha
- Mitsuaki Kohyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Resin-coated carrier for use in two-component electrophotographic d...
- Patent number 4,629,673
- Issue date Dec 16, 1986
- Kabushiki Kaisha Toshiba
- Shigenobu Osawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic method and apparatus
- Patent number 4,611,901
- Issue date Sep 16, 1986
- Kabushiki Kaisha Toshiba
- Mitsuaki Kohyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Shigenobu Osawa

Person

Patents Grantslast 30 patents

Developing device having developing roller and conductive member

Developing device having first and second toner supply means with a...

Electronic copying apparatus having function of partially changing...

Charged latent image developing apparatus

Electrophotographic method and apparatus using alternating current...

Resin-coated carrier for use in two-component electrophotographic d...

Electrophotographic method and apparatus