Tomomi KATOH

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Liquid discharge device and liquid discharge apparatus
- Patent number 11,999,168
- Issue date Jun 4, 2024
- Ricoh Company, Ltd.
- Shuusei Murai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid discharge device and liquid discharge apparatus incorporatin...
- Patent number 11,554,586
- Issue date Jan 17, 2023
- Ricoh Company, Ltd.
- Hiroomi Yokomaku
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid discharge apparatus
- Patent number 10,391,779
- Issue date Aug 27, 2019
- Ricoh Company, Ltd.
- Tomomi Katoh
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid circulation device and liquid discharge apparatus
- Patent number 10,173,436
- Issue date Jan 8, 2019
- Ricoh Company, Ltd.
- Satoru Yoshida
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid container and liquid discharger
- Patent number 9,855,759
- Issue date Jan 2, 2018
- Ricoh Company, Ltd.
- Takeyuki Kobayashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus
- Patent number 9,238,372
- Issue date Jan 19, 2016
- Ricoh Company, Ltd.
- Takeyuki Kobayashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus
- Patent number 9,126,795
- Issue date Sep 8, 2015
- Ricoh Company, Ltd.
- Naoki Saitoh
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Droplet ejection device and image forming apparatus including the d...
- Patent number 9,120,315
- Issue date Sep 1, 2015
- Ricoh Company, Ltd.
- Tomomi Katoh
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus
- Patent number 9,039,137
- Issue date May 26, 2015
- Ricoh Company, Ltd.
- Yuta Moriwaki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus including liquid ejection head
- Patent number 8,939,558
- Issue date Jan 27, 2015
- Ricoh Company, Ltd.
- Tomomi Katoh
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus including recording head for ejecting liqui...
- Patent number 8,777,389
- Issue date Jul 15, 2014
- Ricoh Company, Ltd.
- Tomomi Katoh
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus including recording head for ejecting liqui...
- Patent number 8,668,314
- Issue date Mar 11, 2014
- Ricoh Company, Ltd.
- Tomomi Katoh
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus including liquid ejection head for ejecting...
- Patent number 8,662,634
- Issue date Mar 4, 2014
- Ricoh Company, Ltd.
- Tomomi Katoh
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus
- Patent number 8,657,394
- Issue date Feb 25, 2014
- Ricoh Company, Ltd.
- Tomomi Katoh
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink cartridge and an imaging apparatus
- Patent number 8,646,886
- Issue date Feb 11, 2014
- Ricoh Company, Ltd.
- Tadashi Hayakawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus
- Patent number 8,602,537
- Issue date Dec 10, 2013
- Ricoh Company, Ltd.
- Tomomi Katoh
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus
- Patent number 8,556,376
- Issue date Oct 15, 2013
- Ricoh Company, Ltd.
- Fumitaka Kikkawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus, method of suctioning liquid from nozzles o...
- Patent number 8,500,240
- Issue date Aug 6, 2013
- Ricoh Company, Ltd.
- Mitsuya Matsubara
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus
- Patent number 8,474,929
- Issue date Jul 2, 2013
- Ricoh Company, Ltd.
- Fumitaka Kikkawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink cartridge and image forming apparatus including the same
- Patent number 8,474,958
- Issue date Jul 2, 2013
- Ricoh Company, Ltd.
- Masahiro Kuwata
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus
- Patent number 8,465,132
- Issue date Jun 18, 2013
- Ricoh Company, Ltd.
- Tomomi Katoh
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid carrying container and image forming device
- Patent number 8,454,142
- Issue date Jun 4, 2013
- Ricoh Company, Ltd.
- Akiko Bannai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink cartridge and image forming apparatus employing the ink cartridge
- Patent number 8,454,136
- Issue date Jun 4, 2013
- Ricoh Company, Ltd.
- Tomomi Katoh
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Imaging-material container, ink cartridge, and image forming apparatus
- Patent number 8,393,721
- Issue date Mar 12, 2013
- Ricoh Company, Ltd.
- Tomomi Katoh
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus
- Patent number 8,336,998
- Issue date Dec 25, 2012
- Ricoh Company, Ltd.
- Masahiro Kuwata
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink cartridge and an imaging apparatus
- Patent number 8,292,414
- Issue date Oct 23, 2012
- Ricoh Company, Ltd.
- Tadashi Hayakawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus
- Patent number 8,272,713
- Issue date Sep 25, 2012
- Ricoh Company, Ltd.
- Tomomi Katoh
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus having recording head
- Patent number 8,272,718
- Issue date Sep 25, 2012
- Ricoh Company, Ltd.
- Tomomi Katoh
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid ejecting device and image forming apparatus
- Patent number 8,141,996
- Issue date Mar 27, 2012
- Ricoh Company, Ltd.
- Tomomi Katoh
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus
- Patent number 8,118,381
- Issue date Feb 21, 2012
- Ricoh Company, Ltd.
- Tomomi Katoh
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
LIQUID DISCHARGE DEVICE AND LIQUID DISCHARGE APPARATUS
- Publication number 20220161562
- Publication date May 26, 2022
- Shuusei MURAI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LIQUID DISCHARGE DEVICE AND LIQUID DISCHARGE APPARATUS INCORPORATIN...
- Publication number 20210291533
- Publication date Sep 23, 2021
- Ricoh Company, Ltd.
- Hiroomi YOKOMAKU
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LIQUID DISCHARGE APPARATUS
- Publication number 20180339519
- Publication date Nov 29, 2018
- RICOH COMPANY, LTD.
- Tomomi Katoh
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LIQUID CIRCULATION DEVICE AND LIQUID DISCHARGE APPARATUS
- Publication number 20180147854
- Publication date May 31, 2018
- Satoru YOSHIDA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LIQUID CONTAINER AND LIQUID DISCHARGER
- Publication number 20170136778
- Publication date May 18, 2017
- Takeyuki KOBAYASHI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20150158308
- Publication date Jun 11, 2015
- RICOH COMPANY, LTD.
- Takeyuki Kobayashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20140265106
- Publication date Sep 18, 2014
- RICOH COMPANY LTD.
- Naoki Saitoh
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20140063121
- Publication date Mar 6, 2014
- RICOH COMPANY, LTD.
- Yuta Moriwaki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
DROPLET EJECTION DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE D...
- Publication number 20140015896
- Publication date Jan 16, 2014
- RICOH COMPANY, LTD.
- Tomomi KATOH
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE FORMING APPARATUS INCLUDING LIQUID EJECTION HEAD FOR EJECTING...
- Publication number 20130241994
- Publication date Sep 19, 2013
- RICOH COMPANY, LTD.
- Tomomi KATOH
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE FORMING APPARATUS INCLUDING LIQUID EJECTION HEAD
- Publication number 20130187985
- Publication date Jul 25, 2013
- RICOH COMPANY, LTD.,
- Tomomi Katoh
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Ink Cartridge And An Imaging Apparatus
- Publication number 20130010038
- Publication date Jan 10, 2013
- Tadashi Hayakawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20120320125
- Publication date Dec 20, 2012
- RICOH COMPANY, LTD.
- Tomomi KATOH
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE FORMING APPARATUS INCLUDING RECORDING HEAD FOR EJECTING LIQUI...
- Publication number 20120236094
- Publication date Sep 20, 2012
- RICOH COMPANY, LTD.
- Tomomi KATOH
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20120133707
- Publication date May 31, 2012
- RICOH COMPANY, LTD.
- Fumitaka KIKKAWA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE FORMING APPARATUS, METHOD OF SUCTIONING LIQUID FROM NOZZLES O...
- Publication number 20120056932
- Publication date Mar 8, 2012
- RICOH COMPANY, LTD.
- Mitsuya Matsubara
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE FORMING APPARATUS INCLUDING RECORDING HEAD FOR EJECTING LIQUI...
- Publication number 20120044284
- Publication date Feb 23, 2012
- RICOH COMPANY, LTD.
- Tomomi KATOH
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20110273506
- Publication date Nov 10, 2011
- RICOH COMPANY, LTD.
- Tomomi KATOH
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20110216111
- Publication date Sep 8, 2011
- RICOH COMPANY, LTD.
- Tomomi KATOH
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20110164078
- Publication date Jul 7, 2011
- RICOH COMPANY, LTD.
- Tomomi Katoh
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20110141167
- Publication date Jun 16, 2011
- RICOH COMPANY, LTD.
- Fumitaka Kikkawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20110134184
- Publication date Jun 9, 2011
- RICOH COMPANY, LTD.
- Tomomi KATOH
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INK CARTRIDGE AND IMAGE FORMING APPARATUS INCLUDING THE SAME
- Publication number 20110063382
- Publication date Mar 17, 2011
- RICOH COMPANY, LTD.
- Masahiro Kuwata
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20110050816
- Publication date Mar 3, 2011
- RICOH COMPANY, LTD.
- Tomomi KATOH
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LIQUID CARRYING CONTAINER AND IMAGE FORMING DEVICE
- Publication number 20110050819
- Publication date Mar 3, 2011
- RICOH COMPANY, LTD.
- Akiko BANNAI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20110025789
- Publication date Feb 3, 2011
- RICOH COMPANY, LTD.
- Masahiro Kuwata
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Imaging-Material Container, Ink Cartridge, And Image Forming Apparatus
- Publication number 20100295908
- Publication date Nov 25, 2010
- RICOH COMPANY, LTD.
- Tomomi Katoh
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Ink Cartridge And Image Forming Apparatus Employing The Ink Cartridge
- Publication number 20100277555
- Publication date Nov 4, 2010
- RICOH COMPANY, LTD.
- Tomomi Katoh
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Liquid Container And Image Forming Apparatus Employing The Liquid C...
- Publication number 20100232827
- Publication date Sep 16, 2010
- RICOH COMPANY, LTD.,
- Toshiroh Tokuno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
INK CARTRIDGE AND AN IMAGING APPARATUS
- Publication number 20100225716
- Publication date Sep 9, 2010
- Tadashi Hayakawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Tomomi KATOH

Person

Patents Grantslast 30 patents

Liquid discharge device and liquid discharge apparatus

Liquid discharge device and liquid discharge apparatus incorporatin...

Liquid discharge apparatus

Liquid circulation device and liquid discharge apparatus

Liquid container and liquid discharger

Image forming apparatus

Image forming apparatus

Droplet ejection device and image forming apparatus including the d...

Image forming apparatus

Image forming apparatus including liquid ejection head

Image forming apparatus including recording head for ejecting liqui...

Image forming apparatus including recording head for ejecting liqui...

Image forming apparatus including liquid ejection head for ejecting...

Image forming apparatus

Ink cartridge and an imaging apparatus

Image forming apparatus

Image forming apparatus

Image forming apparatus, method of suctioning liquid from nozzles o...

Image forming apparatus

Ink cartridge and image forming apparatus including the same

Image forming apparatus

Liquid carrying container and image forming device

Ink cartridge and image forming apparatus employing the ink cartridge

Imaging-material container, ink cartridge, and image forming apparatus

Image forming apparatus

Ink cartridge and an imaging apparatus

Image forming apparatus

Image forming apparatus having recording head

Liquid ejecting device and image forming apparatus

Image forming apparatus

Patents Applicationslast 30 patents

LIQUID DISCHARGE DEVICE AND LIQUID DISCHARGE APPARATUS

LIQUID DISCHARGE DEVICE AND LIQUID DISCHARGE APPARATUS INCORPORATIN...

LIQUID DISCHARGE APPARATUS

LIQUID CIRCULATION DEVICE AND LIQUID DISCHARGE APPARATUS

LIQUID CONTAINER AND LIQUID DISCHARGER

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

DROPLET EJECTION DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE D...

IMAGE FORMING APPARATUS INCLUDING LIQUID EJECTION HEAD FOR EJECTING...

IMAGE FORMING APPARATUS INCLUDING LIQUID EJECTION HEAD

Ink Cartridge And An Imaging Apparatus

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS INCLUDING RECORDING HEAD FOR EJECTING LIQUI...

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS, METHOD OF SUCTIONING LIQUID FROM NOZZLES O...

IMAGE FORMING APPARATUS INCLUDING RECORDING HEAD FOR EJECTING LIQUI...

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

INK CARTRIDGE AND IMAGE FORMING APPARATUS INCLUDING THE SAME

IMAGE FORMING APPARATUS

LIQUID CARRYING CONTAINER AND IMAGE FORMING DEVICE

IMAGE FORMING APPARATUS

Imaging-Material Container, Ink Cartridge, And Image Forming Apparatus

Ink Cartridge And Image Forming Apparatus Employing The Ink Cartridge

Liquid Container And Image Forming Apparatus Employing The Liquid C...

INK CARTRIDGE AND AN IMAGING APPARATUS