Shinichi Arasawa

Person

Ohta-ku, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Powder container having a flexible sheet to contact the conveying r...
- Patent number 11,789,380
- Issue date Oct 17, 2023
- Ricoh Company, Ltd.
- Hiroaki Nieda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 11,754,963
- Issue date Sep 12, 2023
- Ricoh Company, Ltd.
- Shinichi Arasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container with a contact portion to cancel a restriction mem...
- Patent number 11,307,517
- Issue date Apr 19, 2022
- Ricoh Company, Ltd.
- Hiroaki Nieda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner container having a shutter, a lever disposed on one side, and...
- Patent number 11,231,664
- Issue date Jan 25, 2022
- Ricoh Company, Ltd.
- Tomofumi Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner container with an operating structure disposed on a first sid...
- Patent number 10,915,040
- Issue date Feb 9, 2021
- Ricoh Company, Ltd.
- Tomofumi Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container having contact portion to contact a restriction me...
- Patent number 10,866,537
- Issue date Dec 15, 2020
- Ricoh Company, Ltd.
- Hiroaki Nieda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner container with an operating structure disposed on a first sid...
- Patent number 10,564,572
- Issue date Feb 18, 2020
- Ricoh Company, Ltd.
- Tomofumi Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container, process cartridge, and image forming apparatus
- Patent number 10,401,758
- Issue date Sep 3, 2019
- Ricoh Company, Ltd.
- Emi Kita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner container, developing device, process cartridge, and image fo...
- Patent number 10,365,584
- Issue date Jul 30, 2019
- Ricoh Company, Ltd.
- Tomofumi Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner container, developing device, process cartridge, and image fo...
- Patent number 10,317,817
- Issue date Jun 11, 2019
- Ricoh Company, Ltd.
- Tomofumi Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container, process cartridge, and image forming apparatus
- Patent number 10,254,680
- Issue date Apr 9, 2019
- Ricoh Company Ltd.
- Emi Kita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner container, developing device, process cartridge, and image fo...
- Patent number 10,025,227
- Issue date Jul 17, 2018
- Ricoh Company, Ltd.
- Tomofumi Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Collecting member to collect image forming powder
- Patent number 10,025,228
- Issue date Jul 17, 2018
- Ricoh Company, Ltd.
- Kohta Sakaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner container, developing device, process cartridge, and image fo...
- Patent number 9,690,231
- Issue date Jun 27, 2017
- Ricoh Company, Limited
- Tomofumi Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Optical-writing-head positioner and image forming apparatus incorpo...
- Patent number 9,405,213
- Issue date Aug 2, 2016
- Ricoh Company, Ltd.
- Shinichi Arasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and driving method for driving image formin...
- Patent number 9,348,309
- Issue date May 24, 2016
- Ricoh Company, Ltd.
- Masanari Fujita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer amount detector, developing device, process unit, and ima...
- Patent number 9,261,816
- Issue date Feb 16, 2016
- Ricoh Company, Ltd.
- Kohta Sakaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container
- Patent number D740357
- Issue date Oct 6, 2015
- Ricoh Company, Ltd.
- Shinichi Arasawa
- D18 - Printing and office machinery
Information Patent Grant
Developing device, process unit, and image forming apparatus
- Patent number 8,843,005
- Issue date Sep 23, 2014
- Ricoh Company, Ltd.
- Tomofumi Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus capable of effectively utilizing interior s...
- Patent number 8,768,203
- Issue date Jul 1, 2014
- Ricoh Company, Ltd.
- Manabu Hamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge and image forming apparatus
- Patent number 8,526,849
- Issue date Sep 3, 2013
- Ricoh Company, Limited
- Tomofumi Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,478,162
- Issue date Jul 2, 2013
- Ricoh Company, Limited
- Shinichi Arasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20220373959
- Publication date Nov 24, 2022
- Shinichi ARASAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER CONTAINER WITH A CONTACT PORTION TO CANCEL A RESTRICTION MEM...
- Publication number 20220206413
- Publication date Jun 30, 2022
- RICOH COMPANY, LTD.
- Hiroaki NIEDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER CONTAINER WITH AN OPERATING STRUCTURE DISPOSED ON A FIRST SID...
- Publication number 20210116843
- Publication date Apr 22, 2021
- RICOH COMPANY, LTD.
- Tomofumi YOSHIDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER CONTAINER, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS IN...
- Publication number 20210041805
- Publication date Feb 11, 2021
- Hiroaki NIEDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER CONTAINER WITH AN OPERATING STRUCTURE DISPOSED ON A FIRST SID...
- Publication number 20200133164
- Publication date Apr 30, 2020
- RICOH COMPANY, LTD.
- Tomofumi YOSHIDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER CONTAINER, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS IN...
- Publication number 20190286011
- Publication date Sep 19, 2019
- Hiroaki NIEDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER CONTAINER, DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FO...
- Publication number 20190258191
- Publication date Aug 22, 2019
- RICOH COMPANY, LTD.
- Tomofumi YOSHIDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER CONTAINER, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20190179237
- Publication date Jun 13, 2019
- Emi Kita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER CONTAINER, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20180267430
- Publication date Sep 20, 2018
- Emi Kita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER CONTAINER, DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FO...
- Publication number 20180253032
- Publication date Sep 6, 2018
- Tomofumi YOSHIDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
UNIT AND IMAGE FORMING APPARATUS
- Publication number 20170219965
- Publication date Aug 3, 2017
- Kohta SAKAYA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER CONTAINER, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20170219957
- Publication date Aug 3, 2017
- Tomofumi YOSHIDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER CONTAINER, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20160109827
- Publication date Apr 21, 2016
- Tomofumi YOSHIDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
OPTICAL-WRITING-HEAD POSITIONER AND IMAGE FORMING APPARATUS INCORPO...
- Publication number 20160026111
- Publication date Jan 28, 2016
- RICOH COMPANY, LTD.
- Shinichi ARASAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND DRIVING METHOD FOR DRIVING IMAGE FORMIN...
- Publication number 20150234348
- Publication date Aug 20, 2015
- RICOH COMPANY, LTD.
- Masanari FUJITA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER AMOUNT DETECTOR, DEVELOPING DEVICE, PROCESS UNIT, AND IMA...
- Publication number 20150132018
- Publication date May 14, 2015
- Kohta SAKAYA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FORMING APPARATUS
- Publication number 20130136465
- Publication date May 30, 2013
- RICOH COMPANY, LTD.
- Tomofumi YOSHIDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS CAPABLE OF EFFECTIVELY UTILIZING INTERIOR S...
- Publication number 20120114373
- Publication date May 10, 2012
- RICOH COMPANY, LTD.
- Manabu Hamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Process cartridge and image forming apparatus
- Publication number 20110052255
- Publication date Mar 3, 2011
- Ricoh Company, Limited
- Tomofumi Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20110052256
- Publication date Mar 3, 2011
- Ricoh Company, Limited
- Shinichi Arasawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Shinichi Arasawa

Person

Patents Grantslast 30 patents

Powder container having a flexible sheet to contact the conveying r...

Image forming apparatus

Powder container with a contact portion to cancel a restriction mem...

Toner container having a shutter, a lever disposed on one side, and...

Toner container with an operating structure disposed on a first sid...

Powder container having contact portion to contact a restriction me...

Toner container with an operating structure disposed on a first sid...

Powder container, process cartridge, and image forming apparatus

Toner container, developing device, process cartridge, and image fo...

Toner container, developing device, process cartridge, and image fo...

Powder container, process cartridge, and image forming apparatus

Toner container, developing device, process cartridge, and image fo...

Collecting member to collect image forming powder

Toner container, developing device, process cartridge, and image fo...

Optical-writing-head positioner and image forming apparatus incorpo...

Image forming apparatus and driving method for driving image formin...

Developer amount detector, developing device, process unit, and ima...

Powder container

Developing device, process unit, and image forming apparatus

Image forming apparatus capable of effectively utilizing interior s...

Process cartridge and image forming apparatus

Image forming apparatus

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS

POWDER CONTAINER WITH A CONTACT PORTION TO CANCEL A RESTRICTION MEM...

TONER CONTAINER WITH AN OPERATING STRUCTURE DISPOSED ON A FIRST SID...

POWDER CONTAINER, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS IN...

TONER CONTAINER WITH AN OPERATING STRUCTURE DISPOSED ON A FIRST SID...

POWDER CONTAINER, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS IN...

TONER CONTAINER, DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FO...

POWDER CONTAINER, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

POWDER CONTAINER, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

TONER CONTAINER, DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FO...

UNIT AND IMAGE FORMING APPARATUS

TONER CONTAINER, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

TONER CONTAINER, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

OPTICAL-WRITING-HEAD POSITIONER AND IMAGE FORMING APPARATUS INCORPO...

IMAGE FORMING APPARATUS AND DRIVING METHOD FOR DRIVING IMAGE FORMIN...

DEVELOPER AMOUNT DETECTOR, DEVELOPING DEVICE, PROCESS UNIT, AND IMA...

DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS CAPABLE OF EFFECTIVELY UTILIZING INTERIOR S...

Process cartridge and image forming apparatus

Image forming apparatus