Izumi Osawa

Person

Ikeda, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Ink jet recording head
- Patent number 6,145,966
- Issue date Nov 14, 2000
- Minolta Co., Ltd.
- Hideo Hotomi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Process for image forming using a photosensitive member having an a...
- Patent number 5,623,716
- Issue date Apr 22, 1997
- Minolta Camera Kabushiki Kaisha
- Kenji Masaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a contact type charging device
- Patent number 5,576,807
- Issue date Nov 19, 1996
- Minolta Co., Ltd.
- Izumi Osawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Contact charger and image forming apparatus provided with same
- Patent number 5,572,294
- Issue date Nov 5, 1996
- Minolta Co., Ltd.
- Izumi Osawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging device for charging the surface of a photosensitive member...
- Patent number 5,568,231
- Issue date Oct 22, 1996
- Minolta Camera Kabushiki Kaisha
- Masaki Asano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Contact charger and image forming apparatus provided with same
- Patent number 5,557,372
- Issue date Sep 17, 1996
- Minolta Co., Ltd.
- Seishi Ojima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging device and method for charging a charge-receiving member b...
- Patent number 5,552,865
- Issue date Sep 3, 1996
- Minolta Camera Kabushiki Kaisha
- Izumi Osawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photosensitive member having surface protective layer with specifie...
- Patent number 5,536,610
- Issue date Jul 16, 1996
- Minolta Camera Kabushiki Kaisha
- Seishi Ojima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photosensitive member-protective shutter
- Patent number 5,504,560
- Issue date Apr 2, 1996
- Minolta Co., Ltd.
- Yasunari Kitagaki
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method for image formation
- Patent number 5,504,559
- Issue date Apr 2, 1996
- Minolta Co., Ltd.
- Seishi Ojima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
An electrically conductive member of an image forming apparatus con...
- Patent number 5,489,973
- Issue date Feb 6, 1996
- Minolta Camera Kabushiki Kaisha
- Masaki Asano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Magnetic particle-containing member for use in copying machine
- Patent number 5,396,317
- Issue date Mar 7, 1995
- Minolta Camera Kabushiki Kaisha
- Izumi Osawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Contact member for controlling an electrostatic state of a chargeab...
- Patent number 5,376,425
- Issue date Dec 27, 1994
- Minolta Camera Kabushiki Kaisha
- Masaki Asano
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Image forming apparatus including means for removing counter charge...
- Patent number 5,371,578
- Issue date Dec 6, 1994
- Minolta Camera Kabushiki Kaisha
- Masaki Asano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Production method of photosensitive member by eliminating outermost...
- Patent number 5,330,873
- Issue date Jul 19, 1994
- Minolta Camera Kabushiki Kaisha
- Isao Doi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photoreceptor for use in contact charging method and image forming...
- Patent number 5,328,790
- Issue date Jul 12, 1994
- Minolta Camera Kabushiki Kaisha
- Masaki Asano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photosensitive member excellent in antioxidation
- Patent number 5,308,727
- Issue date May 3, 1994
- Minolta Camera Kabushiki Kaisha
- Izumi Osawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with charge brush
- Patent number 5,289,234
- Issue date Feb 22, 1994
- Minolta Camera Kabushiki Kaisha
- Masaki Asano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Contact charger and image forming apparatus incorporating the conta...
- Patent number 5,278,614
- Issue date Jan 11, 1994
- Minolta Camera Kabushiki Kaisha
- Akihito Ikegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Contact charging device having a brush restricting member
- Patent number 5,245,386
- Issue date Sep 14, 1993
- Minolta Camera Kabushiki Kaisha
- Masaki Asano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Organic photosensitive member having fine irregularities on its sur...
- Patent number 5,242,776
- Issue date Sep 7, 1993
- Minolta Camera Kabushiki Kaisha
- Isao Doi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photosensitive member having fine cracks in surface protective layer
- Patent number 5,242,773
- Issue date Sep 7, 1993
- Minolta Camera Kabushiki Kaisha
- Shuji Iino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a charging member and means for prot...
- Patent number 5,241,342
- Issue date Aug 31, 1993
- Minolta Camera Kabushiki Kaisha
- Masaki Asano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Organic photosensitive member comprising a binder resin and a solvent
- Patent number 5,232,799
- Issue date Aug 3, 1993
- Minolta Camera Kabushiki Kaisha
- Izumi Osawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 5,225,878
- Issue date Jul 6, 1993
- Minolta Camera Kabushiki Kaisha
- Masaki Asano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Organic photosensitive member comprising a charge transport layer w...
- Patent number 5,198,317
- Issue date Mar 30, 1993
- Minolta Camera Kabushiki Kaisha
- Izumi Osawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Contract charger
- Patent number 5,192,974
- Issue date Mar 9, 1993
- Minolta Camera Kabushiki Kaisha
- Akihito Ikegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming method for forming images on copier paper having a sp...
- Patent number 5,168,315
- Issue date Dec 1, 1992
- Minolta Camera Kabushiki Kaisha
- Izumi Osawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photosensitive member with hydrogen-containing carbon layer
- Patent number 5,166,018
- Issue date Nov 24, 1992
- Minolta Camera Kabushiki Kaisha
- Shuji Iino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming method
- Patent number 5,155,002
- Issue date Oct 13, 1992
- Minolta Camera Kabushiki Kaisha
- Izumi Osawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Izumi Osawa

Person

Patents Grantslast 30 patents

Ink jet recording head

Process for image forming using a photosensitive member having an a...

Image forming apparatus having a contact type charging device

Contact charger and image forming apparatus provided with same

Charging device for charging the surface of a photosensitive member...

Contact charger and image forming apparatus provided with same

Charging device and method for charging a charge-receiving member b...

Photosensitive member having surface protective layer with specifie...

Photosensitive member-protective shutter

Method for image formation

An electrically conductive member of an image forming apparatus con...

Magnetic particle-containing member for use in copying machine

Contact member for controlling an electrostatic state of a chargeab...

Image forming apparatus including means for removing counter charge...

Production method of photosensitive member by eliminating outermost...

Photoreceptor for use in contact charging method and image forming...

Photosensitive member excellent in antioxidation

Image forming apparatus with charge brush

Contact charger and image forming apparatus incorporating the conta...

Contact charging device having a brush restricting member

Organic photosensitive member having fine irregularities on its sur...

Photosensitive member having fine cracks in surface protective layer

Image forming apparatus having a charging member and means for prot...

Organic photosensitive member comprising a binder resin and a solvent

Image forming apparatus

Organic photosensitive member comprising a charge transport layer w...

Contract charger

Image forming method for forming images on copier paper having a sp...

Photosensitive member with hydrogen-containing carbon layer

Image forming method