Hirofumi YAMANAMI

Person

Shizuoka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electrophotographic photoconductor, image forming apparatus, and pr...
- Patent number 9,063,441
- Issue date Jun 23, 2015
- Ricoh Company, Ltd.
- Hirofumi Yamanami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor, process cartridge, image formin...
- Patent number 7,348,115
- Issue date Mar 25, 2008
- Ricoh Company, Ltd.
- Hirofumi Yamanami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor, process cartridge, image formin...
- Patent number 7,267,914
- Issue date Sep 11, 2007
- Ricoh Company, Ltd.
- Hirofumi Yamanami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor, production process thereof, ele...
- Patent number 6,355,390
- Issue date Mar 12, 2002
- Ricoh Company, Ltd.
- Hirofumi Yamanami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor layered element comprising salt...
- Patent number 4,871,635
- Issue date Oct 3, 1989
- Ricoh Company, Ltd.
- Kenji Seki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Layered photosensitive material for electrophotography
- Patent number 4,775,605
- Issue date Oct 4, 1988
- Ricoh Co., Ltd.
- Kenji Seki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, IMAGE FORMING APPARATUS, AND PR...
- Publication number 20140120463
- Publication date May 1, 2014
- Hirofumi YAMANAMI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoconductor, process cartridge, image formin...
- Publication number 20050170271
- Publication date Aug 4, 2005
- Hirofumi Yamanami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoconductor, process cartridge, image formin...
- Publication number 20030232265
- Publication date Dec 18, 2003
- Hirofumi Yamanami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Hirofumi YAMANAMI

Person

Patents Grantslast 30 patents

Electrophotographic photoconductor, image forming apparatus, and pr...

Electrophotographic photoconductor, process cartridge, image formin...

Electrophotographic photoconductor, process cartridge, image formin...

Electrophotographic photoconductor, production process thereof, ele...

Electrophotographic photoconductor layered element comprising salt...

Layered photosensitive material for electrophotography

Patents Applicationslast 30 patents

ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, IMAGE FORMING APPARATUS, AND PR...

Electrophotographic photoconductor, process cartridge, image formin...

Electrophotographic photoconductor, process cartridge, image formin...