Tomohiro Kubota

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Developer accommodating device with screw including screw blade as...
- Patent number 11,835,887
- Issue date Dec 5, 2023
- Ricoh Company, Ltd.
- Yuuki Tsuchiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner cartridge including a protrusion protruding from a center of...
- Patent number 11,506,994
- Issue date Nov 22, 2022
- Ricoh Company, Ltd.
- Tomohiro Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including a process cartridge that includes...
- Patent number 11,275,325
- Issue date Mar 15, 2022
- Ricoh Company, Ltd.
- Hotaru Hashikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner cartridge including a protrusion protruding from a center of...
- Patent number 11,231,663
- Issue date Jan 25, 2022
- Ricoh Company, Ltd.
- Tomohiro Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer container for image forming apparatus
- Patent number 10,816,914
- Issue date Oct 27, 2020
- Ricoh Company, Ltd.
- Tomohiro Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Downsized developer container with higher degree of freedom
- Patent number 10,558,145
- Issue date Feb 11, 2020
- Ricoh Company, Ltd.
- Tomohiro Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, process cartridge, and image forming apparatus
- Patent number 10,496,013
- Issue date Dec 3, 2019
- Ricoh Company, Ltd.
- Tomohiro Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer container, developing device, process unit, and image for...
- Patent number 10,295,933
- Issue date May 21, 2019
- Ricoh Company, Ltd.
- Tomohiro Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer container including a convex portion, a rotator, and a re...
- Patent number 10,175,607
- Issue date Jan 8, 2019
- Ricoh Company, Ltd.
- Tomohiro Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer container, developing device, process unit, and image for...
- Patent number 9,696,657
- Issue date Jul 4, 2017
- Ricoh Company, Ltd.
- Tomohiro Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container, developing device, process unit, and image formin...
- Patent number 9,658,574
- Issue date May 23, 2017
- Ricoh Company, Ltd.
- Shoh Tsuritani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sealing structure, developing device, cleaning device, process unit...
- Patent number 9,366,996
- Issue date Jun 14, 2016
- Ricoh Company, Ltd.
- Akinori Harada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Seal, cleaning unit with seal, transfer unit with seal, developing...
- Patent number 9,335,663
- Issue date May 10, 2016
- Ricoh Company, Ltd.
- Kyoko Abe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer container, developing device, process unit, and image for...
- Patent number 9,280,130
- Issue date Mar 8, 2016
- Ricoh Company, Ltd.
- Tomohiro Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container, developing unit, process unit, and image forming...
- Patent number 9,239,565
- Issue date Jan 19, 2016
- Ricoh Company, Ltd.
- Shoh Tsuritani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer container, developing device, processing unit, image form...
- Patent number 9,201,341
- Issue date Dec 1, 2015
- Ricoh Company, Limited
- Shoh Tsuritani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer container, developing device, process unit, and image for...
- Patent number 9,176,419
- Issue date Nov 3, 2015
- Ricoh Company, Ltd.
- Tomohiro Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and developer container, developing device,...
- Patent number 9,141,028
- Issue date Sep 22, 2015
- Ricoh Company, Ltd.
- Shoh Tsuritani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and powder transport unit
- Patent number 9,069,284
- Issue date Jun 30, 2015
- Ricoh Company, Ltd.
- Yoshiyuki Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer amount detector, image forming apparatus incorporating sa...
- Patent number 9,042,745
- Issue date May 26, 2015
- Ricoh Company, Ltd.
- Tomofumi Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container
- Patent number D724655
- Issue date Mar 17, 2015
- Ricoh Company, Ltd.
- Tomohiro Kubota
- D18 - Printing and office machinery
Information Patent Grant
Powder container
- Patent number D723099
- Issue date Feb 24, 2015
- Ricoh Company, Ltd.
- Tomohiro Kubota
- D18 - Printing and office machinery
Information Patent Grant
Shutter assembly, powder container, cleaning device, and image form...
- Patent number 8,903,283
- Issue date Dec 2, 2014
- Ricoh Company, Ltd.
- Manabu Hamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, toner supplying method, and computer progr...
- Patent number 8,892,007
- Issue date Nov 18, 2014
- Ricoh Company, Limited
- Toshiaki Takane
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer amount detector, and developer container, development dev...
- Patent number 8,861,991
- Issue date Oct 14, 2014
- Ricoh Company, Ltd.
- Tomohiro Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container
- Patent number D712463
- Issue date Sep 2, 2014
- Ricoh Company, Ltd.
- Tomohiro Kubota
- D18 - Printing and office machinery
Information Patent Grant
Developer container, development device, process unit, and image fo...
- Patent number 8,811,859
- Issue date Aug 19, 2014
- Ricoh Company, Ltd.
- Shoh Tsuritani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,805,214
- Issue date Aug 12, 2014
- Ricoh Company, Ltd.
- Masanari Fujita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image developing device, process cartridge including image developi...
- Patent number 8,805,222
- Issue date Aug 12, 2014
- Ricoh Company, Ltd.
- Naoki Nakatake
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer container, developing device, process unit, and image for...
- Patent number 8,792,808
- Issue date Jul 29, 2014
- Ricoh Company, Ltd.
- Tomohiro Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
DEVELOPER ACCOMMODATING DEVICE, DEVELOPING DEVICE, PROCESS CARTRIDG...
- Publication number 20220397841
- Publication date Dec 15, 2022
- Yuuki TSUCHIYA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER CARTRIDGE INCLUDING A PROTRUSION PROTRUDING FROM A CENTER OF...
- Publication number 20220107587
- Publication date Apr 7, 2022
- RICOH COMPANY, LTD.
- Tomohiro Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20210080856
- Publication date Mar 18, 2021
- Hotaru HASHIKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CONTAINER FOR IMAGE FORMING APPARATUS
- Publication number 20210018862
- Publication date Jan 21, 2021
- RICOH COMPANY, LTD.
- Tomohiro Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DOWNSIZED DEVELOPER CONTAINER WITH HIGHER DEGREE OF FREEDOM
- Publication number 20200125005
- Publication date Apr 23, 2020
- RICOH COMPANY, LTD.
- Tomohiro Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FO...
- Publication number 20190250533
- Publication date Aug 15, 2019
- Tomohiro KUBOTA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FOR...
- Publication number 20190094758
- Publication date Mar 28, 2019
- Tomohiro KUBOTA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20180364620
- Publication date Dec 20, 2018
- RICOH COMPANY, LTD.
- Tomohiro Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20180074452
- Publication date Mar 15, 2018
- Minoru TOYODA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FOR...
- Publication number 20170248870
- Publication date Aug 31, 2017
- Tomohiro KUBOTA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FORMIN...
- Publication number 20160299455
- Publication date Oct 13, 2016
- Shoh TSURITANI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FOR...
- Publication number 20160139540
- Publication date May 19, 2016
- Tomohiro KUBOTA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FOR...
- Publication number 20160004208
- Publication date Jan 7, 2016
- Tomohiro KUBOTA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SEALING STRUCTURE, DEVELOPING DEVICE, CLEANING DEVICE, PROCESS UNIT...
- Publication number 20150234324
- Publication date Aug 20, 2015
- RICOH COMPANY, LTD.
- Akinori Harada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SEAL, CLEANING UNIT WITH SEAL, TRANSFER UNIT WITH SEAL, DEVELOPING...
- Publication number 20150192882
- Publication date Jul 9, 2015
- RICOH COMPANY, LTD.
- Kyoko Abe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESSING UNIT, IMAGE FORM...
- Publication number 20140356004
- Publication date Dec 4, 2014
- Shoh TSURITANI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FOR...
- Publication number 20140294449
- Publication date Oct 2, 2014
- Tomohiro KUBOTA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER CONTAINER, DEVELOPING UNIT, PROCESS UNIT, AND IMAGE FORMING...
- Publication number 20140153972
- Publication date Jun 5, 2014
- Shoh TSURITANI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SHUTTER ASSEMBLY, POWDER CONTAINER, CLEANING DEVICE, AND IMAGE FORM...
- Publication number 20140050507
- Publication date Feb 20, 2014
- Manabu HAMADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND DEVELOPER CONTAINER, DEVELOPING DEVICE,...
- Publication number 20140050502
- Publication date Feb 20, 2014
- Shoh TSURITANI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND POWDER TRANSPORT UNIT
- Publication number 20140029962
- Publication date Jan 30, 2014
- Yoshiyuki Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FOR...
- Publication number 20130266347
- Publication date Oct 10, 2013
- Tomohiro KUBOTA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FOR...
- Publication number 20130259532
- Publication date Oct 3, 2013
- Tomohiro KUBOTA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE DEVELOPING DEVICE, PROCESS CARTRIDGE INCLUDING IMAGE DEVELOPI...
- Publication number 20130058670
- Publication date Mar 7, 2013
- Naoki Nakatake
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CONTAINER, DEVELOPMENT DEVICE, PROCESS UNIT, AND IMAGE FO...
- Publication number 20130028638
- Publication date Jan 31, 2013
- Shoh TSURITANI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS, TONER SUPPLYING METHOD, AND COMPUTER PROGR...
- Publication number 20120237227
- Publication date Sep 20, 2012
- Toshiaki TAKANE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20120230708
- Publication date Sep 13, 2012
- Masanari FUJITA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE, DEVELOPER CONTAINER, AND IMAGE FORMING APPARATUS
- Publication number 20120189350
- Publication date Jul 26, 2012
- Tomohiro Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER AMOUNT DETECTOR, AND DEVELOPER CONTAINER, DEVELOPMENT DEV...
- Publication number 20120189327
- Publication date Jul 26, 2012
- Tomohiro KUBOTA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER AMOUNT DETECTOR, IMAGE FORMING APPARATUS INCORPORATING SA...
- Publication number 20120189326
- Publication date Jul 26, 2012
- Tomofumi YOSHIDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Tomohiro Kubota

Person

Patents Grantslast 30 patents

Developer accommodating device with screw including screw blade as...

Toner cartridge including a protrusion protruding from a center of...

Image forming apparatus including a process cartridge that includes...

Toner cartridge including a protrusion protruding from a center of...

Developer container for image forming apparatus

Downsized developer container with higher degree of freedom

Developing device, process cartridge, and image forming apparatus

Developer container, developing device, process unit, and image for...

Developer container including a convex portion, a rotator, and a re...

Developer container, developing device, process unit, and image for...

Powder container, developing device, process unit, and image formin...

Sealing structure, developing device, cleaning device, process unit...

Seal, cleaning unit with seal, transfer unit with seal, developing...

Developer container, developing device, process unit, and image for...

Powder container, developing unit, process unit, and image forming...

Developer container, developing device, processing unit, image form...

Developer container, developing device, process unit, and image for...

Image forming apparatus and developer container, developing device,...

Image forming apparatus and powder transport unit

Developer amount detector, image forming apparatus incorporating sa...

Powder container

Powder container

Shutter assembly, powder container, cleaning device, and image form...

Image forming apparatus, toner supplying method, and computer progr...

Developer amount detector, and developer container, development dev...

Powder container

Developer container, development device, process unit, and image fo...

Image forming apparatus

Image developing device, process cartridge including image developi...

Developer container, developing device, process unit, and image for...

Patents Applicationslast 30 patents

DEVELOPER ACCOMMODATING DEVICE, DEVELOPING DEVICE, PROCESS CARTRIDG...

TONER CARTRIDGE INCLUDING A PROTRUSION PROTRUDING FROM A CENTER OF...

IMAGE FORMING APPARATUS

DEVELOPER CONTAINER FOR IMAGE FORMING APPARATUS

DOWNSIZED DEVELOPER CONTAINER WITH HIGHER DEGREE OF FREEDOM

DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FO...

DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FOR...

DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FOR...

POWDER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FORMIN...

DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FOR...

DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FOR...

SEALING STRUCTURE, DEVELOPING DEVICE, CLEANING DEVICE, PROCESS UNIT...

SEAL, CLEANING UNIT WITH SEAL, TRANSFER UNIT WITH SEAL, DEVELOPING...

DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESSING UNIT, IMAGE FORM...

DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FOR...

POWDER CONTAINER, DEVELOPING UNIT, PROCESS UNIT, AND IMAGE FORMING...

SHUTTER ASSEMBLY, POWDER CONTAINER, CLEANING DEVICE, AND IMAGE FORM...

IMAGE FORMING APPARATUS AND DEVELOPER CONTAINER, DEVELOPING DEVICE,...

IMAGE FORMING APPARATUS AND POWDER TRANSPORT UNIT

DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FOR...

DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FOR...

IMAGE DEVELOPING DEVICE, PROCESS CARTRIDGE INCLUDING IMAGE DEVELOPI...

DEVELOPER CONTAINER, DEVELOPMENT DEVICE, PROCESS UNIT, AND IMAGE FO...

IMAGE FORMING APPARATUS, TONER SUPPLYING METHOD, AND COMPUTER PROGR...

IMAGE FORMING APPARATUS

DEVELOPMENT DEVICE, DEVELOPER CONTAINER, AND IMAGE FORMING APPARATUS

DEVELOPER AMOUNT DETECTOR, AND DEVELOPER CONTAINER, DEVELOPMENT DEV...

DEVELOPER AMOUNT DETECTOR, IMAGE FORMING APPARATUS INCORPORATING SA...