Kunihiro OHYAMA

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Information storage system including a plurality of terminals
- Patent number 11,768,448
- Issue date Sep 26, 2023
- Ricoh Company, Ltd.
- Yasufumi Takahashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Information storage system including a plurality of terminals
- Patent number 11,429,036
- Issue date Aug 30, 2022
- Ricoh Company, Ltd.
- Yasufumi Takahashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Information storage system including a plurality of terminals
- Patent number 11,275,327
- Issue date Mar 15, 2022
- Ricoh Company, Ltd.
- Yasufumi Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer container which discharges toner from a lower side and in...
- Patent number 11,188,007
- Issue date Nov 30, 2021
- Ricoh Company, Ltd.
- Yasufumi Takahashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Apparatus and method for preventing an information storage device f...
- Patent number 10,754,275
- Issue date Aug 25, 2020
- Ricoh Company, Ltd.
- Yasufumi Takahashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Developer container having a cap with three portions of different d...
- Patent number 10,725,398
- Issue date Jul 28, 2020
- Ricoh Company, Ltd.
- Yasufumi Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus and method for preventing an information storage device f...
- Patent number 10,496,009
- Issue date Dec 3, 2019
- Ricoh Company, Ltd.
- Yasufumi Takahashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Apparatus and method for preventing an information storage device f...
- Patent number 9,989,887
- Issue date Jun 5, 2018
- Ricoh Company, Ltd.
- Yasufumi Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus and method for preventing an information storage device f...
- Patent number 9,599,927
- Issue date Mar 21, 2017
- Ricoh Company, Ltd.
- Yasufumi Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner bottle
- Patent number D758482
- Issue date Jun 7, 2016
- Ricoh Company, Ltd.
- Yasufumi Takahashi
- D18 - Printing and office machinery
Information Patent Grant
Toner container
- Patent number D757161
- Issue date May 24, 2016
- Ricoh Company, Ltd.
- Yasufumi Takahashi
- D18 - Printing and office machinery
Information Patent Grant
Developer container, developer replenishing device, developing devi...
- Patent number 9,329,526
- Issue date May 3, 2016
- Ricoh Company, Ltd.
- Masaki Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus and method for preventing an information storage device f...
- Patent number 9,256,158
- Issue date Feb 9, 2016
- Ricoh Company, Limited
- Yasufumi Takahashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image-forming apparatus, toner container and toner container instal...
- Patent number 9,201,345
- Issue date Dec 1, 2015
- Ricoh Company, Ltd.
- Takeshi Uchitani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Information storage device
- Patent number D743400
- Issue date Nov 17, 2015
- Ricoh Company, Ltd.
- Masaki Takahashi
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Toner container and image forming apparatus
- Patent number 9,176,424
- Issue date Nov 3, 2015
- Ricoh Company, Ltd.
- Ichiro Kadota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus and method for preventing an information storage device f...
- Patent number 9,110,402
- Issue date Aug 18, 2015
- Ricoh Company, Limited
- Yasufumi Takahashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Apparatus and method for preventing an information storage device f...
- Patent number 9,081,327
- Issue date Jul 14, 2015
- Ricoh Company, Limited
- Yasufumi Takahashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Apparatus and method for preventing an information storage device f...
- Patent number 9,069,287
- Issue date Jun 30, 2015
- Ricoh Company, Limited
- Yasufumi Takahashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Developer container, developer replenishing device, developing devi...
- Patent number 9,057,983
- Issue date Jun 16, 2015
- Ricoh Company, Ltd.
- Masaki Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner container and image forming apparatus
- Patent number 8,958,718
- Issue date Feb 17, 2015
- Ricoh Company, Ltd.
- Ichiro Kadota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, image forming apparatus, and process cartridge
- Patent number 8,953,976
- Issue date Feb 10, 2015
- Ricoh Company, Ltd.
- Kunihiro Ohyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development device, and process cartridge and image forming apparat...
- Patent number 8,953,987
- Issue date Feb 10, 2015
- Ricoh Company, Ltd.
- Hideki Kimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge for image forming apparatus including a hollow al...
- Patent number 8,909,095
- Issue date Dec 9, 2014
- Ricoh Company, Ltd.
- Masayuki Yamane
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus and method for preventing an information storage device f...
- Patent number 8,909,071
- Issue date Dec 9, 2014
- Ricoh Company, Limited
- Yasufumi Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development device, process cartridge, and image forming apparatus...
- Patent number 8,873,979
- Issue date Oct 28, 2014
- Ricoh Company, Ltd.
- Yoshihiro Fujiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development device, and process cartridge and image forming apparat...
- Patent number 8,855,536
- Issue date Oct 7, 2014
- Ricoh Company, Ltd.
- Hideki Kimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner container, toner container frame, and image forming apparatus...
- Patent number 8,843,034
- Issue date Sep 23, 2014
- Ricoh Company, Ltd.
- Masayuki Yamane
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Information storage device, removable device, developer container,...
- Patent number 8,660,441
- Issue date Feb 25, 2014
- Ricoh Company, Limited
- Yasufumi Takahashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus and toner cartridges with differently sized...
- Patent number 8,655,198
- Issue date Feb 18, 2014
- Ricoh Company, Ltd.
- Masayuki Yamane
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
INFORMATION STORAGE SYSTEM INCLUDING A PLURALITY OF TERMINALS
- Publication number 20230418181
- Publication date Dec 28, 2023
- RICOH COMPANY, LTD.
- Yasufumi TAKAHASHI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INFORMATION STORAGE SYSTEM INCLUDING A PLURALITY OF TERMINALS
- Publication number 20220357684
- Publication date Nov 10, 2022
- RICOH COMPANY, LTD.
- Yasufumi TAKAHASHI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INFORMATION STORAGE SYSTEM INCLUDING A PLURALITY OF TERMINALS
- Publication number 20210356884
- Publication date Nov 18, 2021
- RICOH COMPANY, LTD.
- Yasufumi TAKAHASHI
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
DEVELOPER CONTAINER HAVING A CAP WITH THREE PORTIONS OF DIFFERENT D...
- Publication number 20210088933
- Publication date Mar 25, 2021
- RICOH COMPANY, LTD.
- Yasufumi TAKAHASHI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
DEVELOPER CONTAINER HAVING A CAP WITH THREE PORTIONS OF DIFFERENT D...
- Publication number 20200348615
- Publication date Nov 5, 2020
- RICOH COMPANY, LTD.
- Yasufumi TAKAHASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CONTAINER HAVING A CAP WITH THREE PORTIONS OF DIFFERENT D...
- Publication number 20200026220
- Publication date Jan 23, 2020
- RICOH COMPANY, LTD.
- Yasufumi TAKAHASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
APPARATUS AND METHOD FOR PREVENTING AN INFORMATION STORAGE DEVICE F...
- Publication number 20180253028
- Publication date Sep 6, 2018
- Yasufumi TAKAHASHI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
APPARATUS AND METHOD FOR PREVENTING AN INFORMATION STORAGE DEVICE F...
- Publication number 20170153572
- Publication date Jun 1, 2017
- Yasufumi TAKAHASHI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
APPARATUS AND METHOD FOR PREVENTING AN INFORMATION STORAGE DEVICE F...
- Publication number 20150293485
- Publication date Oct 15, 2015
- Yasufumi TAKAHASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CONTAINER, DEVELOPER REPLENISHING DEVICE, DEVELOPING DEVI...
- Publication number 20150234318
- Publication date Aug 20, 2015
- Masaki TAKAHASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER CONTAINER AND IMAGE FORMING APPARATUS
- Publication number 20150086244
- Publication date Mar 26, 2015
- Ichiro Kadota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE, AND PROCESS CARTRIDGE AND IMAGE FORMING APPARAT...
- Publication number 20140376970
- Publication date Dec 25, 2014
- Hideki KIMURA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
APPARATUS AND METHOD FOR PREVENTING AN INFORMATION STORAGE DEVICE F...
- Publication number 20140341602
- Publication date Nov 20, 2014
- Yasufumi Takahashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
APPARATUS AND METHOD FOR PREVENTING AN INFORMATION STORAGE DEVICE F...
- Publication number 20140314443
- Publication date Oct 23, 2014
- Yasufumi Takahashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
APPARATUS AND METHOD FOR PREVENTING AN INFORMATION STORAGE DEVICE F...
- Publication number 20140286670
- Publication date Sep 25, 2014
- Yasufumi Takahashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
DEVELOPER CONTAINER, DEVELOPER REPLENISHING DEVICE, DEVELOPING DEVI...
- Publication number 20140064794
- Publication date Mar 6, 2014
- Masaki TAKAHASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER CONTAINER AND IMAGE FORMING APPARATUS
- Publication number 20140050509
- Publication date Feb 20, 2014
- Ichiro Kadota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
APPARATUS AND METHOD FOR PREVENTING AN INFORMATION STORAGE DEVICE...
- Publication number 20140037325
- Publication date Feb 6, 2014
- Yasufumi Takahashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
APPARATUS AND METHOD FOR PREVENTING AN INFORMATION STORAGE DEVICE F...
- Publication number 20130223877
- Publication date Aug 29, 2013
- Yasufumi Takahashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INFORMATION STORAGE DEVICE, REMOVABLE DEVICE, DEVELOPER CONTAINER,...
- Publication number 20130188985
- Publication date Jul 25, 2013
- Yasufumi Takahashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
TONER CONTAINER AND IMAGE FORMING APPARATUS
- Publication number 20130129391
- Publication date May 23, 2013
- Ichiro Kadota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20130064570
- Publication date Mar 14, 2013
- Masayuki YAMANE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
- Publication number 20130051841
- Publication date Feb 28, 2013
- Kunihiro Ohyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE, AND PROCESS CARTRIDGE AND IMAGE FORMING APPARAT...
- Publication number 20130045029
- Publication date Feb 21, 2013
- Hideki KIMURA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER CONTAINER, TONER CONTAINER FRAME, AND IMAGE FORMING APPARATUS...
- Publication number 20120308242
- Publication date Dec 6, 2012
- Masayuki YAMANE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE-FORMING APPARATUS, TONER CONTAINER AND TONER CONTAINER INSTAL...
- Publication number 20120230735
- Publication date Sep 13, 2012
- Takeshi UCHITANI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS...
- Publication number 20120207492
- Publication date Aug 16, 2012
- Yoshihiro FUJIWARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
INFORMATION STORAGE DEVICE, REMOVABLE DEVICE, DEVELOPER CONTAINER,...
- Publication number 20120200871
- Publication date Aug 9, 2012
- Yasufumi Takahashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE FORMING APPARATUS AND TONER CARTRIDGE USED THEREIN
- Publication number 20120141169
- Publication date Jun 7, 2012
- Masayuki YAMANE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS HAVING A MAGNETIC FIELD GENERATING UNIT AT...
- Publication number 20110311281
- Publication date Dec 22, 2011
- Kunihiro OHYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Kunihiro OHYAMA

Person

Patents Grantslast 30 patents

Information storage system including a plurality of terminals

Information storage system including a plurality of terminals

Information storage system including a plurality of terminals

Developer container which discharges toner from a lower side and in...

Apparatus and method for preventing an information storage device f...

Developer container having a cap with three portions of different d...

Apparatus and method for preventing an information storage device f...

Apparatus and method for preventing an information storage device f...

Apparatus and method for preventing an information storage device f...

Toner bottle

Toner container

Developer container, developer replenishing device, developing devi...

Apparatus and method for preventing an information storage device f...

Image-forming apparatus, toner container and toner container instal...

Information storage device

Toner container and image forming apparatus

Apparatus and method for preventing an information storage device f...

Apparatus and method for preventing an information storage device f...

Apparatus and method for preventing an information storage device f...

Developer container, developer replenishing device, developing devi...

Toner container and image forming apparatus

Developing device, image forming apparatus, and process cartridge

Development device, and process cartridge and image forming apparat...

Process cartridge for image forming apparatus including a hollow al...

Apparatus and method for preventing an information storage device f...

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

Development device, and process cartridge and image forming apparat...

Toner container, toner container frame, and image forming apparatus...

Information storage device, removable device, developer container,...

Image forming apparatus and toner cartridges with differently sized...

Patents Applicationslast 30 patents

INFORMATION STORAGE SYSTEM INCLUDING A PLURALITY OF TERMINALS

INFORMATION STORAGE SYSTEM INCLUDING A PLURALITY OF TERMINALS

INFORMATION STORAGE SYSTEM INCLUDING A PLURALITY OF TERMINALS

DEVELOPER CONTAINER HAVING A CAP WITH THREE PORTIONS OF DIFFERENT D...

DEVELOPER CONTAINER HAVING A CAP WITH THREE PORTIONS OF DIFFERENT D...

DEVELOPER CONTAINER HAVING A CAP WITH THREE PORTIONS OF DIFFERENT D...

APPARATUS AND METHOD FOR PREVENTING AN INFORMATION STORAGE DEVICE F...

APPARATUS AND METHOD FOR PREVENTING AN INFORMATION STORAGE DEVICE F...

APPARATUS AND METHOD FOR PREVENTING AN INFORMATION STORAGE DEVICE F...

DEVELOPER CONTAINER, DEVELOPER REPLENISHING DEVICE, DEVELOPING DEVI...

TONER CONTAINER AND IMAGE FORMING APPARATUS

DEVELOPMENT DEVICE, AND PROCESS CARTRIDGE AND IMAGE FORMING APPARAT...

APPARATUS AND METHOD FOR PREVENTING AN INFORMATION STORAGE DEVICE F...

APPARATUS AND METHOD FOR PREVENTING AN INFORMATION STORAGE DEVICE F...

APPARATUS AND METHOD FOR PREVENTING AN INFORMATION STORAGE DEVICE F...

DEVELOPER CONTAINER, DEVELOPER REPLENISHING DEVICE, DEVELOPING DEVI...

TONER CONTAINER AND IMAGE FORMING APPARATUS

APPARATUS AND METHOD FOR PREVENTING AN INFORMATION STORAGE DEVICE...

APPARATUS AND METHOD FOR PREVENTING AN INFORMATION STORAGE DEVICE F...

INFORMATION STORAGE DEVICE, REMOVABLE DEVICE, DEVELOPER CONTAINER,...

TONER CONTAINER AND IMAGE FORMING APPARATUS

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

DEVELOPING DEVICE, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE

DEVELOPMENT DEVICE, AND PROCESS CARTRIDGE AND IMAGE FORMING APPARAT...

TONER CONTAINER, TONER CONTAINER FRAME, AND IMAGE FORMING APPARATUS...

IMAGE-FORMING APPARATUS, TONER CONTAINER AND TONER CONTAINER INSTAL...

DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS...

INFORMATION STORAGE DEVICE, REMOVABLE DEVICE, DEVELOPER CONTAINER,...

IMAGE FORMING APPARATUS AND TONER CARTRIDGE USED THEREIN

IMAGE FORMING APPARATUS HAVING A MAGNETIC FIELD GENERATING UNIT AT...