Hisashi Shoji

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus, method, and system for detecting a state of an apparatus
- Patent number 8,175,467
- Issue date May 8, 2012
- Ricoh Company, Ltd.
- Hisashi Shoji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Abnormality determining apparatus, image forming apparatus includin...
- Patent number 7,903,269
- Issue date Mar 8, 2011
- Ricoh Company, Ltd.
- Yoshinori Nakagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Abnormality determining apparatus, image forming apparatus, copying...
- Patent number 7,778,555
- Issue date Aug 17, 2010
- Ricoh Company, Limited
- Hisashi Shoji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Abnormal state occurrence predicting method, state deciding apparat...
- Patent number 7,554,574
- Issue date Jun 30, 2009
- Ricoh Company, Ltd.
- Hisashi Shoji
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Abnormality determining apparatus, image forming apparatus, copying...
- Patent number 7,457,550
- Issue date Nov 25, 2008
- Ricoh Company, Limited
- Hisashi Shoji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Abnormality determining method, abnormality determining apparatus,...
- Patent number 7,327,962
- Issue date Feb 5, 2008
- Ricoh Company, Ltd.
- Hisashi Shoji
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for image forming capable of effectively recyc...
- Patent number 7,313,336
- Issue date Dec 25, 2007
- Ricoh Company, Ltd.
- Ichiro Kadota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Abnormality determining method, abnormality determining apparatus,...
- Patent number 7,203,431
- Issue date Apr 10, 2007
- Ricoh Company, Ltd.
- Hisashi Shoji
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Abnormality determining method, and abnormality determining apparat...
- Patent number 7,110,917
- Issue date Sep 19, 2006
- Ricoh Company, Ltd.
- Nekka Matsuura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Toner transfer back suppressing color image forming apparatus
- Patent number 7,079,798
- Issue date Jul 18, 2006
- Ricoh Company, Ltd.
- Kazumi Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 6,978,109
- Issue date Dec 20, 2005
- Ricoh Company, Ltd.
- Hisashi Shoji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 6,901,233
- Issue date May 31, 2005
- Ricoh Company, Ltd.
- Katsuhiro Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including an electric field having an oscil...
- Patent number 6,823,163
- Issue date Nov 23, 2004
- Ricoh Company, Ltd.
- Naomi Sugimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing method and a developing device for image forming apparatus
- Patent number 6,819,901
- Issue date Nov 16, 2004
- Ricoh Company, Ltd.
- Kei Yasutomi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having plurality of developing sections wit...
- Patent number 6,782,225
- Issue date Aug 24, 2004
- Ricoh Company, Ltd.
- Tsukuru Kai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a developing device with a magnet brush
- Patent number 6,778,805
- Issue date Aug 17, 2004
- Ricoh Company, Ltd.
- Tsukuru Kai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 6,757,509
- Issue date Jun 29, 2004
- Ricoh Company, Ltd.
- Hisashi Shoji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 6,721,516
- Issue date Apr 13, 2004
- Ricoh Company, Ltd.
- Katsuhiro Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a developing device with a magnet brush
- Patent number 6,597,885
- Issue date Jul 22, 2003
- Ricoh Company, Ltd.
- Tsukuru Kai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and an image forming process unit
- Patent number 6,505,014
- Issue date Jan 7, 2003
- Ricoh Company, Ltd.
- Katsuhiro Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing method, device, and image forming apparatus with magnet...
- Patent number 6,456,806
- Issue date Sep 24, 2002
- Ricoh Company, Ltd.
- Hisashi Shoji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 6,160,979
- Issue date Dec 12, 2000
- Ricoh Company, Ltd.
- Hisashi Shoji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner replenishing and developer replacing device for a developing...
- Patent number 6,125,243
- Issue date Sep 26, 2000
- Ricoh Company, Ltd.
- Hisashi Shoji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and method therefor
- Patent number 5,999,762
- Issue date Dec 7, 1999
- Ricoh Company, Ltd.
- Hisashi Shoji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a developing bias control unit
- Patent number 5,970,280
- Issue date Oct 19, 1999
- Ricoh Company, Ltd.
- Hirokatsu Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 5,937,228
- Issue date Aug 10, 1999
- Ricoh Company, Ltd.
- Hisashi Shoji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner replenishing and developer replacing device for a developing...
- Patent number 5,915,155
- Issue date Jun 22, 1999
- Ricoh Company, Ltd.
- Hisashi Shoji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Configured to enhance toner collecting efficiency and toner redepos...
- Patent number 5,740,494
- Issue date Apr 14, 1998
- Ricoh Company, Ltd.
- Hisashi Shoji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 5,619,316
- Issue date Apr 8, 1997
- Ricoh Company, Ltd.
- Hisashi Shoji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and cleaning device therefor
- Patent number 5,606,408
- Issue date Feb 25, 1997
- Ricoh Company, Ltd.
- Hidetoshi Yano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
ABNORMALITY DETERMINING METHOD, ABNORMALITY DETERMINING APPARATUS,...
- Publication number 20070127934
- Publication date Jun 7, 2007
- HISASHI SHOJI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Apparatus, method, and system for detecting a state of an apparatus
- Publication number 20060294252
- Publication date Dec 28, 2006
- Hisashi Shoji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Abnormality determining apparatus, image forming apparatus, copying...
- Publication number 20060182451
- Publication date Aug 17, 2006
- Hisashi Shoji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Toner transfer back suppressing color image forming apparatus
- Publication number 20060072943
- Publication date Apr 6, 2006
- Kazumi Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Method and apparatus for image forming capable of effectively recyc...
- Publication number 20060013604
- Publication date Jan 19, 2006
- Ichiro Kadota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Recording medium conveyance failure occurrence predicting apparatus...
- Publication number 20050286916
- Publication date Dec 29, 2005
- Yasushi Nakazato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Abnormality determining apparatus, image forming apparatus includin...
- Publication number 20050281596
- Publication date Dec 22, 2005
- Yoshinori Nakagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Abnormality determining method, abnormality determining apparatus,...
- Publication number 20050157327
- Publication date Jul 21, 2005
- Hisashi Shoji
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Abnormality determining method, and abnormality determining apparat...
- Publication number 20050154562
- Publication date Jul 14, 2005
- Nekka Matsuura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Abnormal state occurrence predicting method, state deciding apparat...
- Publication number 20050002054
- Publication date Jan 6, 2005
- Hisashi Shoji
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Image forming apparatus
- Publication number 20040175207
- Publication date Sep 9, 2004
- Hisashi Shoji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20040120733
- Publication date Jun 24, 2004
- Katsuhiro Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20040096245
- Publication date May 20, 2004
- Tsukuru Kai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20030210938
- Publication date Nov 13, 2003
- Tsukuru Kai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20020154917
- Publication date Oct 24, 2002
- Katsuhiro Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20020122675
- Publication date Sep 5, 2002
- RICOH COMPANY, LTD.
- Hisashi Shoji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and an image forming process unit
- Publication number 20020039496
- Publication date Apr 4, 2002
- Katsuhiro Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20020037187
- Publication date Mar 28, 2002
- RICOH COMPANY, LTD.
- Tsukuru Kai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20020028093
- Publication date Mar 7, 2002
- RICOH COMPANY, LTD.
- Yasuo Miyoshi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20020009308
- Publication date Jan 24, 2002
- RICOH COMPANY, LTD.
- Hisashi Shoji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20020009312
- Publication date Jan 24, 2002
- RICOH COMPANY, LTD.
- Naomi Sugimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Hisashi Shoji

Person

Patents Grantslast 30 patents

Apparatus, method, and system for detecting a state of an apparatus

Abnormality determining apparatus, image forming apparatus includin...

Abnormality determining apparatus, image forming apparatus, copying...

Abnormal state occurrence predicting method, state deciding apparat...

Abnormality determining apparatus, image forming apparatus, copying...

Abnormality determining method, abnormality determining apparatus,...

Method and apparatus for image forming capable of effectively recyc...

Abnormality determining method, abnormality determining apparatus,...

Abnormality determining method, and abnormality determining apparat...

Toner transfer back suppressing color image forming apparatus

Image forming apparatus

Image forming apparatus

Image forming apparatus including an electric field having an oscil...

Developing method and a developing device for image forming apparatus

Image forming apparatus having plurality of developing sections wit...

Image forming apparatus having a developing device with a magnet brush

Image forming apparatus

Image forming apparatus

Image forming apparatus having a developing device with a magnet brush

Image forming apparatus and an image forming process unit

Developing method, device, and image forming apparatus with magnet...

Image forming apparatus

Toner replenishing and developer replacing device for a developing...

Image forming apparatus and method therefor

Image forming apparatus having a developing bias control unit

Image forming apparatus

Toner replenishing and developer replacing device for a developing...

Configured to enhance toner collecting efficiency and toner redepos...

Image forming apparatus

Image forming apparatus and cleaning device therefor

Patents Applicationslast 30 patents

ABNORMALITY DETERMINING METHOD, ABNORMALITY DETERMINING APPARATUS,...

Apparatus, method, and system for detecting a state of an apparatus

Abnormality determining apparatus, image forming apparatus, copying...

Toner transfer back suppressing color image forming apparatus

Method and apparatus for image forming capable of effectively recyc...

Recording medium conveyance failure occurrence predicting apparatus...

Abnormality determining apparatus, image forming apparatus includin...

Abnormality determining method, abnormality determining apparatus,...

Abnormality determining method, and abnormality determining apparat...

Abnormal state occurrence predicting method, state deciding apparat...

Image forming apparatus

Image forming apparatus

Image forming apparatus

Image forming apparatus

Image forming apparatus

Image forming apparatus

Image forming apparatus and an image forming process unit

Image forming apparatus

Image forming apparatus

Image forming apparatus

Image forming apparatus