Takeyoshi Sekine

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
System, service determining method, and computer program product
- Patent number 10,944,810
- Issue date Mar 9, 2021
- Ricoh Company, Ltd.
- Kenji Ueda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System, method, and non-transitory recording medium for determining...
- Patent number 10,228,888
- Issue date Mar 12, 2019
- Ricoh Company, Ltd.
- Takeyoshi Sekine
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Information processing system and failure diagnosis method
- Patent number 10,025,657
- Issue date Jul 17, 2018
- Ricoh Company, Ltd.
- Takenori Oku
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Two component development apparatus and process cartridge
- Patent number 7,003,250
- Issue date Feb 21, 2006
- Ricoh Company, Ltd.
- Junichi Sano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device using a two-ingredient type developer and image f...
- Patent number 6,873,814
- Issue date Mar 29, 2005
- Ricoh Company, Ltd.
- Tokuya Ohjimi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device including magnetic member provided on toner-scatt...
- Patent number 6,856,774
- Issue date Feb 15, 2005
- Ricoh Company, Ltd.
- Atsushi Sampe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device having a developer carrier including main and aux...
- Patent number 6,792,234
- Issue date Sep 14, 2004
- Ricoh Company, Ltd.
- Hiroshi Ikeguchi
- B82 - NANO-TECHNOLOGY
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
Developing device using a magnet brush and image forming apparatus...
- Patent number 6,728,504
- Issue date Apr 27, 2004
- Ricoh Company, Ltd.
- Osamu Ariizumi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Image forming apparatus and image forming process unit with develop...
- Patent number 6,701,114
- Issue date Mar 2, 2004
- Ricoh Company, Ltd.
- Takeyoshi Sekine
- 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 having a developer carrier capable of preve...
- Patent number 6,442,364
- Issue date Aug 27, 2002
- Ricoh Company, Ltd.
- Tsukuru Kai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Methods and systems for cleaning residual toner from image developi...
- Patent number 6,125,257
- Issue date Sep 26, 2000
- Ricoh Co., Ltd.
- Takeyoshi Sekine
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Picture design forming system and method toner for forming an image...
- Patent number 5,913,092
- Issue date Jun 15, 1999
- Ricoh Company, Ltd.
- Takashi Bisaiji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Methods and systems for cleaning residual toner from image-developi...
- Patent number 5,648,842
- Issue date Jul 15, 1997
- Ricoh Company, Ltd.
- Takeyoshi Sekine
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device for a color image forming apparatus
- Patent number 5,327,199
- Issue date Jul 5, 1994
- Ricoh Company, Ltd.
- Takeyoshi Sekine
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming equipment having improved toner sensing
- Patent number 5,270,783
- Issue date Dec 14, 1993
- Ricoh Company, Ltd.
- Takashi Bisaiji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic image forming apparatus which controls develope...
- Patent number 5,227,842
- Issue date Jul 13, 1993
- Ricoh Company, Ltd.
- Kouji Hayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of controlling a display and a display control device for a...
- Patent number 5,131,079
- Issue date Jul 14, 1992
- Ricoh Company, Ltd.
- Shozo Miyawaki
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
INFORMATION PROCESSING SYSTEM, COMPONENT LIFETIME DETERMINING METHO...
- Publication number 20180121139
- Publication date May 3, 2018
- RICOH COMPANY, LTD.
- Takeyoshi SEKINE
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INFORMATION PROCESSING SYSTEM AND FAILURE PREDICTION MODEL ADOPTION...
- Publication number 20160379144
- Publication date Dec 29, 2016
- RICOH COMPANY, LTD.
- Satoshi MIZUNO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM, SERVICE DETERMINING METHOD, AND COMPUTER PROGRAM PRODUCT
- Publication number 20160380847
- Publication date Dec 29, 2016
- RICOH COMPANY, LTD.
- Kenji UEDA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INFORMATION PROCESSING SYSTEM AND FAILURE DIAGNOSIS METHOD
- Publication number 20160378584
- Publication date Dec 29, 2016
- RICOH COMPANY, LTD.
- Takenori OKU
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Two component development apparatus and process cartridge
- Publication number 20040190948
- Publication date Sep 30, 2004
- Junichi Sano
- 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
Developing device using a two-ingredient type developer and image f...
- Publication number 20030108362
- Publication date Jun 12, 2003
- Tokuya Ohjimi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing device for preventing toner scattering and carrier falli...
- Publication number 20030099481
- Publication date May 29, 2003
- Atsushi Sampe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing device and image forming apparatus using the same
- Publication number 20020164180
- Publication date Nov 7, 2002
- Hiroshi Ikeguchi
- B82 - NANO-TECHNOLOGY
Information Patent Application
Image forming apparatus and image forming process unit
- Publication number 20020094216
- Publication date Jul 18, 2002
- Takeyoshi Sekine
- 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
Developing device using a magnet brush and image forming apparatus...
- Publication number 20020028092
- Publication date Mar 7, 2002
- RICOH COMPANY, LTD.
- Osamu Ariizumi
- B82 - NANO-TECHNOLOGY
Information Patent Application
Image forming apparatus
- Publication number 20010017999
- Publication date Aug 30, 2001
- Ricoh Company, Ltd.
- Tsukuru Kai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Takeyoshi Sekine

Person

Patents Grantslast 30 patents

System, service determining method, and computer program product

System, method, and non-transitory recording medium for determining...

Information processing system and failure diagnosis method

Two component development apparatus and process cartridge

Developing device using a two-ingredient type developer and image f...

Developing device including magnetic member provided on toner-scatt...

Developing device having a developer carrier including main and aux...

Image forming apparatus having a developing device with a magnet brush

Developing device using a magnet brush and image forming apparatus...

Image forming apparatus and image forming process unit with develop...

Image forming apparatus having a developing device with a magnet brush

Image forming apparatus having a developer carrier capable of preve...

Methods and systems for cleaning residual toner from image developi...

Picture design forming system and method toner for forming an image...

Methods and systems for cleaning residual toner from image-developi...

Developing device for a color image forming apparatus

Image forming equipment having improved toner sensing

Electrophotographic image forming apparatus which controls develope...

Method of controlling a display and a display control device for a...

Patents Applicationslast 30 patents

INFORMATION PROCESSING SYSTEM, COMPONENT LIFETIME DETERMINING METHO...

INFORMATION PROCESSING SYSTEM AND FAILURE PREDICTION MODEL ADOPTION...

SYSTEM, SERVICE DETERMINING METHOD, AND COMPUTER PROGRAM PRODUCT

INFORMATION PROCESSING SYSTEM AND FAILURE DIAGNOSIS METHOD

Two component development apparatus and process cartridge

Image forming apparatus

Developing device using a two-ingredient type developer and image f...

Developing device for preventing toner scattering and carrier falli...

Developing device and image forming apparatus using the same

Image forming apparatus and image forming process unit

Image forming apparatus

Developing device using a magnet brush and image forming apparatus...

Image forming apparatus