Akemi Sugiyama

Person

Shizuoka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electrographic image formation method
- Patent number 7,029,816
- Issue date Apr 18, 2006
- Ricoh Company, Ltd.
- Fumihiro Sasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier for two-component developer for developing latent electrost...
- Patent number 6,670,088
- Issue date Dec 30, 2003
- Ricoh Company, Ltd.
- Hiroaki Matsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner and two-component developer, container therefor, and image fo...
- Patent number 6,656,654
- Issue date Dec 2, 2003
- Ricoh Company, Ltd.
- Hiroto Higuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Two-component developer, container filled with the two-component de...
- Patent number 6,544,704
- Issue date Apr 8, 2003
- Ricoh Company, Ltd.
- Hiroaki Matsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
ELECTROPHOTOGRAPHIC IMAGE FORMATION METHOD, CARRIER FOR TWO-COMPONE...
- Patent number 6,534,232
- Issue date Mar 18, 2003
- Ricoh Company, Ltd.
- Hiroaki Matsuda
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Two-component developer, container filled with the two-component de...
- Patent number 6,468,706
- Issue date Oct 22, 2002
- Ricoh Company, Ltd.
- Hiroaki Matsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic toner and electrophotographic image forming met...
- Patent number 6,335,137
- Issue date Jan 1, 2002
- Ricoh Company Limited
- Masanori Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Two-component developer
- Patent number 6,228,550
- Issue date May 8, 2001
- Ricoh Company, Ltd.
- Hiroaki Matsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Electrographic image formation method
- Publication number 20040224247
- Publication date Nov 11, 2004
- Fumihiro Sasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic image formation method
- Publication number 20020039698
- Publication date Apr 4, 2002
- Ricoh Company, Ltd.
- Fumihiro Sasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Two-component developer, container filled with the two-component de...
- Publication number 20020006567
- Publication date Jan 17, 2002
- RICOH COMPANY, LIMITED
- Hiroaki Matsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner and two-component developer, container therefor, and image fo...
- Publication number 20020001766
- Publication date Jan 3, 2002
- RICOH COMPANY, LTD.
- Hiroto Higuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Akemi Sugiyama

Person

Patents Grantslast 30 patents

Electrographic image formation method

Carrier for two-component developer for developing latent electrost...

Toner and two-component developer, container therefor, and image fo...

Two-component developer, container filled with the two-component de...

ELECTROPHOTOGRAPHIC IMAGE FORMATION METHOD, CARRIER FOR TWO-COMPONE...

Two-component developer, container filled with the two-component de...

Electrophotographic toner and electrophotographic image forming met...

Two-component developer

Patents Applicationslast 30 patents

Electrographic image formation method

Electrophotographic image formation method

Two-component developer, container filled with the two-component de...

Toner and two-component developer, container therefor, and image fo...