Keiko Nagayasu

Person

Ibaraki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus
- Patent number 5,774,169
- Issue date Jun 30, 1998
- Minolta Co., Ltd.
- Akihito Ikegawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Charging device and image forming apparatus
- Patent number 5,652,649
- Issue date Jul 29, 1997
- Minolta Co., Ltd.
- Akihito Ikegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 5,631,729
- Issue date May 20, 1997
- Minolta Co., Ltd.
- Keiko Nagayasu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with a member for shaving the surface of a...
- Patent number 5,606,400
- Issue date Feb 25, 1997
- Minolta Co., Ltd.
- Keiko Nagayasu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Contact type charging device and image forming apparatus having the...
- Patent number 5,557,375
- Issue date Sep 17, 1996
- Minolta Co., Ltd.
- Keiko Nagayasu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Contact charger and image forming apparatus provided with same
- Patent number 5,504,561
- Issue date Apr 2, 1996
- Minolta Co., Ltd.
- Akihito Ikegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging device for charging outer surface of photosensitive member...
- Patent number 5,402,213
- Issue date Mar 28, 1995
- Minolta Camera Kabushiki Kaisha
- Akihito Ikegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Contact charger having a curved surface
- Patent number 5,376,995
- Issue date Dec 27, 1994
- Minolta Camera Kabushiki Kaisha
- Masashi Yamamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Keiko Nagayasu

Person

Patents Grantslast 30 patents

Image forming apparatus

Charging device and image forming apparatus

Image forming apparatus

Image forming apparatus with a member for shaving the surface of a...

Contact type charging device and image forming apparatus having the...

Contact charger and image forming apparatus provided with same

Charging device for charging outer surface of photosensitive member...

Contact charger having a curved surface