Masayoshi Ishii

Person

Ibaraki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming method and image forming apparatus
- Patent number 7,090,956
- Issue date Aug 15, 2006
- Ricoh Printing Systems, Ltd.
- Katsuhiko Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus and electrostatic record apparatus
- Patent number 6,879,800
- Issue date Apr 12, 2005
- Ricoh Printing Systems, Ltd.
- Hiroyuki Mabuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with transfer bias inverting function
- Patent number 6,829,449
- Issue date Dec 7, 2004
- Hitachi Printing Solutions, Ltd.
- Hiroyoshi Matsumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electro-photographic developing unit
- Patent number 6,813,462
- Issue date Nov 2, 2004
- Hitachi Printing Solutions, Ltd.
- Teruaki Mitsuya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic apparatus including transferring device
- Patent number 6,792,235
- Issue date Sep 14, 2004
- Hitachi Printing Solutions, Ltd.
- Keisuke Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic cluster printing system with controlled image q...
- Patent number 6,760,553
- Issue date Jul 6, 2004
- Hitachi Printing Solutions, Ltd.
- Teruaki Mitsuya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Print control method of electrophotograph and image formation appar...
- Patent number 6,738,586
- Issue date May 18, 2004
- Hitachi Printing Solutions, Ltd.
- Keisuke Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Control method of an electrophotographic record apparatus and image...
- Patent number 6,686,943
- Issue date Feb 3, 2004
- Hitachi Printing Solutions, Ltd.
- Masayoshi Ishii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming apparatus
- Patent number 6,684,036
- Issue date Jan 27, 2004
- Hitachi Koki Co., Ltd.
- Keisuke Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming electrophotography apparatus and magnetic developing...
- Patent number 6,487,384
- Issue date Nov 26, 2002
- Hitachi Koki Co., Ltd.
- Hisao Okada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 6,330,405
- Issue date Dec 11, 2001
- Hitachi Koki Company Limited
- Masayoshi Ishii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color image forming method and device using potential division deve...
- Patent number 6,240,270
- Issue date May 29, 2001
- Hitachi Koki Co., Ltd.
- Teruaki Mitsuya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic printing apparatus using electric potential div...
- Patent number 6,131,000
- Issue date Oct 10, 2000
- Hitachi, Ltd.
- Shinichi Akatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Image forming apparatus
- Publication number 20040052541
- Publication date Mar 18, 2004
- HITACHI PRINTING SOLUTIONS, LTD.
- Hiroyoshi Matsumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing apparatus and electrostatic record apparatus
- Publication number 20030185600
- Publication date Oct 2, 2003
- HITACHI PRINTING SOLUTIONS, LTD.
- Hiroyuki Mabuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing unit and electro-photographic apparatus
- Publication number 20030143001
- Publication date Jul 31, 2003
- HITACHI PRINTING SOLUTIONS, LTD.
- Teruaki Mitsuya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic cluster printing system
- Publication number 20030128993
- Publication date Jul 10, 2003
- HITACHI PRINTING SOLUTIONS, LTD.
- Teruaki Mitsuya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic apparatus
- Publication number 20030063915
- Publication date Apr 3, 2003
- Hitachi Koki Co., Ltd.
- Keisuke Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Control method of an electrophotographic record apparatus and image...
- Publication number 20030012578
- Publication date Jan 16, 2003
- Hitachi Koki Co., Ltd.
- Masayoshi Ishii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image forming apparatus
- Publication number 20020127027
- Publication date Sep 12, 2002
- Keisuke Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming method and image forming apparatus
- Publication number 20020127488
- Publication date Sep 12, 2002
- Katsuhiko Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Print control method of electrophotograph and image formation appar...
- Publication number 20020127026
- Publication date Sep 12, 2002
- Keisuke Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and developing unit used therein
- Publication number 20020057930
- Publication date May 16, 2002
- Hisao Okada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Masayoshi Ishii

Person

Patents Grantslast 30 patents

Image forming method and image forming apparatus

Developing apparatus and electrostatic record apparatus

Image forming apparatus with transfer bias inverting function

Electro-photographic developing unit

Electrophotographic apparatus including transferring device

Electrophotographic cluster printing system with controlled image q...

Print control method of electrophotograph and image formation appar...

Control method of an electrophotographic record apparatus and image...

Image forming apparatus

Image forming electrophotography apparatus and magnetic developing...

Image forming apparatus

Color image forming method and device using potential division deve...

Electrophotographic printing apparatus using electric potential div...

Patents Applicationslast 30 patents

Image forming apparatus

Developing apparatus and electrostatic record apparatus

Developing unit and electro-photographic apparatus

Electrophotographic cluster printing system

Electrophotographic apparatus

Control method of an electrophotographic record apparatus and image...

Image forming apparatus

Image forming method and image forming apparatus

Print control method of electrophotograph and image formation appar...

Image forming apparatus and developing unit used therein