Sadayuki Iwai

Person

Yokohama city, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image output apparatus using close range radio contact wherein radi...
- Patent number 7,962,658
- Issue date Jun 14, 2011
- Ricoh Company, Ltd.
- Yuichiro Kanoshima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming apparatus and method of activating the apparatus duri...
- Patent number 7,783,209
- Issue date Aug 24, 2010
- Ricoh Company, Ltd.
- Mugijirou Uno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming unit, process cartridge, and image forming apparatus
- Patent number 7,715,761
- Issue date May 11, 2010
- Ricoh Company, Limited
- Junroh Uda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging device, and process cartridge and image forming apparatus...
- Patent number 7,715,760
- Issue date May 11, 2010
- Ricoh Company, Ltd.
- Naomi Sugimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming method and image forming apparatus
- Patent number 7,711,283
- Issue date May 4, 2010
- Ricoh Company, Ltd.
- Sadayuki Iwai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for arranging image forming sections
- Patent number 7,693,466
- Issue date Apr 6, 2010
- Ricoh Company, Ltd.
- Katsuaki Miyawaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image output apparatus using close range radio contact wherein radi...
- Patent number 7,454,528
- Issue date Nov 18, 2008
- Ricoh Company, Ltd.
- Yuichiro Kanoshima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming apparatus including a transfer belt having image form...
- Patent number 7,343,126
- Issue date Mar 11, 2008
- Ricoh Company, Ltd.
- Katsuaki Miyawaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Tandem image forming device having a side-by-side arrangement of im...
- Patent number 7,203,452
- Issue date Apr 10, 2007
- Ricoh Company, Ltd.
- Katsuaki Miyawaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of image transfer, method of and apparatus for image forming
- Patent number 7,155,152
- Issue date Dec 26, 2006
- Ricoh Company, Ltd.
- Sadayuki Iwai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner image transfer method, toner image transfer device and image...
- Patent number 7,095,972
- Issue date Aug 22, 2006
- Ricoh Company, Ltd.
- Sadayuki Iwai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus for reducing toner scatter
- Patent number 6,947,682
- Issue date Sep 20, 2005
- Ricoh Company Ltd.
- Hideki Kosugi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image formation method for amplifying differences in potential for...
- Patent number 6,934,482
- Issue date Aug 23, 2005
- Ricoh Company, Ltd.
- Sadayuki Iwai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Dual sided image printing device and method
- Patent number 6,912,370
- Issue date Jun 28, 2005
- Ricoh Company, Ltd.
- Sadayuki Iwai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with an intermediate image transfer body an...
- Patent number 6,889,030
- Issue date May 3, 2005
- Ricoh Company, Ltd.
- Hiroshi Koide
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image formation apparatus for amplifying differences in potential f...
- Patent number 6,792,222
- Issue date Sep 14, 2004
- Ricoh Company, Ltd.
- Sadayuki Iwai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Tandem image forming device, image forming apparatus and method for...
- Patent number 6,757,512
- Issue date Jun 29, 2004
- Ricoh Company, Ltd.
- Katsuaki Miyawaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, monocolor image forming apparatus, toner r...
- Patent number 6,611,672
- Issue date Aug 26, 2003
- Ricoh Company, Ltd.
- Katsuhiro Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having improved image carrier cleaning
- Patent number 6,347,212
- Issue date Feb 12, 2002
- Ricoh Company, Ltd.
- Hideki Kosugi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus using a developing liquid and including an...
- Patent number 6,115,576
- Issue date Sep 5, 2000
- Ricoh Company, Ltd.
- Tohru Nakano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 5,987,281
- Issue date Nov 16, 1999
- Ricoh Company, Ltd.
- Tsuneo Kurotori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with a developing device using a developing...
- Patent number 5,987,282
- Issue date Nov 16, 1999
- Ricoh Company, Ltd.
- Takeo Tsukamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus for controlling density of liquid developing solution and...
- Patent number 5,923,930
- Issue date Jul 13, 1999
- Ricoh Company, Ltd.
- Takeo Tsukamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming device which forms an electric field to discharge an...
- Patent number 5,864,737
- Issue date Jan 26, 1999
- Ricoh Company, Ltd.
- Makoto Obu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and fixing device therefor
- Patent number 5,809,388
- Issue date Sep 15, 1998
- Ricoh Company, Ltd.
- Toshio Inada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Wet process image forming apparatus and carrier vapor collecting de...
- Patent number 5,708,938
- Issue date Jan 13, 1998
- Ricoh Company, Ltd.
- Noriyasu Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Image output apparatus using radio contact element
- Publication number 20090051942
- Publication date Feb 26, 2009
- Yuichiro Kanoshima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20080310865
- Publication date Dec 18, 2008
- Mugijirou UNO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING UNIT, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20080260438
- Publication date Oct 23, 2008
- Junroh Uda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TANDEM IMAGE FORMING DEVICE AND IMAGE FORMINGAPPARATUS INCLUDING TH...
- Publication number 20080212998
- Publication date Sep 4, 2008
- Katsuaki Miyawaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TANDEM IMAGE FORMING DEVICE AND IMAGE FORMING APPARATUS INCLUDING T...
- Publication number 20070140728
- Publication date Jun 21, 2007
- Katsuaki Miyawaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming method and image forming apparatus
- Publication number 20070003315
- Publication date Jan 4, 2007
- Ricoh Company, Ltd.
- Sadayuki Iwai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image output apparatus using radio contact element
- Publication number 20050200910
- Publication date Sep 15, 2005
- Yuichiro Kanoshima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image formation method for amplifying differences in potential for...
- Publication number 20040264990
- Publication date Dec 30, 2004
- Sadayuki Iwai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20040218940
- Publication date Nov 4, 2004
- Hideki Kosugi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Tandem image forming device and image forming apparatus including t...
- Publication number 20040179869
- Publication date Sep 16, 2004
- Katsuaki Miyawaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner image transfer method, toner image transfer device and image...
- Publication number 20040170451
- Publication date Sep 2, 2004
- Sadayuki Iwai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Method of image transfer, method of and apparatus for image forming
- Publication number 20040126148
- Publication date Jul 1, 2004
- Sadayuki Iwai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20030210932
- Publication date Nov 13, 2003
- Hiroshi Koide
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image formation apparatus
- Publication number 20020168196
- Publication date Nov 14, 2002
- Sadayuki Iwai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Device and method for forming image, and image formation system
- Publication number 20020064404
- Publication date May 30, 2002
- Sadayuki Iwai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus, monocolor image forming apparatus, toner r...
- Publication number 20020051664
- Publication date May 2, 2002
- Katsuhiro Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Tandem image forming device and image forming apparatus including t...
- Publication number 20020031379
- Publication date Mar 14, 2002
- RICOH COMPANY, LTD.
- Katsuaki Miyawaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus, intermediate image transfer belt therefor...
- Publication number 20010048990
- Publication date Dec 6, 2001
- Ricoh Company, Ltd.
- Sadayuki Iwai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Sadayuki Iwai

Person

Patents Grantslast 30 patents

Image output apparatus using close range radio contact wherein radi...

Image forming apparatus and method of activating the apparatus duri...

Image forming unit, process cartridge, and image forming apparatus

Charging device, and process cartridge and image forming apparatus...

Image forming method and image forming apparatus

Method for arranging image forming sections

Image output apparatus using close range radio contact wherein radi...

Image forming apparatus including a transfer belt having image form...

Tandem image forming device having a side-by-side arrangement of im...

Method of image transfer, method of and apparatus for image forming

Toner image transfer method, toner image transfer device and image...

Image forming apparatus for reducing toner scatter

Image formation method for amplifying differences in potential for...

Dual sided image printing device and method

Image forming apparatus with an intermediate image transfer body an...

Image formation apparatus for amplifying differences in potential f...

Tandem image forming device, image forming apparatus and method for...

Image forming apparatus, monocolor image forming apparatus, toner r...

Image forming apparatus having improved image carrier cleaning

Image forming apparatus using a developing liquid and including an...

Image forming apparatus

Image forming apparatus with a developing device using a developing...

Apparatus for controlling density of liquid developing solution and...

Image forming device which forms an electric field to discharge an...

Image forming apparatus and fixing device therefor

Wet process image forming apparatus and carrier vapor collecting de...

Patents Applicationslast 30 patents

Image output apparatus using radio contact element

IMAGE FORMING APPARATUS

IMAGE FORMING UNIT, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

TANDEM IMAGE FORMING DEVICE AND IMAGE FORMINGAPPARATUS INCLUDING TH...

TANDEM IMAGE FORMING DEVICE AND IMAGE FORMING APPARATUS INCLUDING T...

Image forming method and image forming apparatus

Image output apparatus using radio contact element

Image formation method for amplifying differences in potential for...

Image forming apparatus

Tandem image forming device and image forming apparatus including t...

Toner image transfer method, toner image transfer device and image...

Method of image transfer, method of and apparatus for image forming

Image forming apparatus

Image formation apparatus

Device and method for forming image, and image formation system

Image forming apparatus, monocolor image forming apparatus, toner r...

Tandem image forming device and image forming apparatus including t...

Image forming apparatus, intermediate image transfer belt therefor...