Katsumi Okamoto

Person

Nagano, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Medium discharging device and method of controlling medium discharg...
- Patent number 10,737,897
- Issue date Aug 11, 2020
- Seiko Epson Corporation
- Katsuyuki Kondo
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Recording apparatus
- Patent number 9,834,001
- Issue date Dec 5, 2017
- Seiko Epson Corporation
- Yoshiyuki Tanaka
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Recording apparatus
- Patent number 9,150,023
- Issue date Oct 6, 2015
- Seiko Epson Corporation
- Katsumi Okamoto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Medium transport device and recording device
- Patent number 9,114,943
- Issue date Aug 25, 2015
- Seiko Epson Corporation
- Takeshi Aoki
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Medium transport device and recording device
- Patent number 9,085,433
- Issue date Jul 21, 2015
- Seiko Epson Corporation
- Takeshi Aoki
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Recording apparatus
- Patent number 9,067,419
- Issue date Jun 30, 2015
- Seiko Epson Corporation
- Yoshiyuki Tanaka
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Recording apparatus
- Patent number 8,851,665
- Issue date Oct 7, 2014
- Seiko Epson Corporation
- Katsumi Okamoto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid ejection apparatus
- Patent number 8,807,703
- Issue date Aug 19, 2014
- Seiko Epson Corporation
- Katsumi Okamoto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Recording apparatus
- Patent number 8,807,739
- Issue date Aug 19, 2014
- Seiko Epson Corporation
- Katsumi Okamoto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid ejecting apparatus
- Patent number 8,714,732
- Issue date May 6, 2014
- Seiko Epson Corporation
- Takamasa Ikagawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid ejecting apparatus
- Patent number 8,596,777
- Issue date Dec 3, 2013
- Seiko Epson Corporation
- Katsumi Okamoto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Toner-particle bearing roller, developing device, and image forming...
- Patent number 8,401,443
- Issue date Mar 19, 2013
- Seiko Epson Corporation
- Yoichi Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing agent carrier manufacturing method, developing agent car...
- Patent number 8,087,170
- Issue date Jan 3, 2012
- Seiko Epson Corporation
- Noboru Sakurai
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Developing device and image forming apparatus
- Patent number 7,974,549
- Issue date Jul 5, 2011
- Seiko Epson Corporation
- Takeshi Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, image forming apparatus, image forming system, c...
- Patent number 7,885,554
- Issue date Feb 8, 2011
- Seiko Epson Corporation
- Junji Shirokoshi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Developing cartridge, developing device, and image forming apparatus
- Patent number 7,881,641
- Issue date Feb 1, 2011
- Seiko Epson Corporation
- Takeshi Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus
- Patent number 7,881,644
- Issue date Feb 1, 2011
- Seiko Epson Corporation
- Katsumi Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Container for developing agent, and image forming apparatus incorpo...
- Patent number 7,822,368
- Issue date Oct 26, 2010
- Seiko Epson Corporation
- Katsumi Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer cartridge, image forming apparatus, and shutter device
- Patent number 7,783,234
- Issue date Aug 24, 2010
- Seiko Epson Corporation
- Katsumi Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image formation apparatus that replenishes developer based on detec...
- Patent number 7,761,037
- Issue date Jul 20, 2010
- Seiko Epson Corporation
- Kazuyoshi Ohashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Layer-thickness restriction member, developing device, method for m...
- Patent number 7,636,538
- Issue date Dec 22, 2009
- Seiko Epson Corporation
- Katsumi Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Container for developing agent, and image forming apparatus incorpo...
- Patent number 7,620,348
- Issue date Nov 17, 2009
- Seiko Epson Corporation
- Katsumi Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus having a toner-partic...
- Patent number 7,565,099
- Issue date Jul 21, 2009
- Seiko Epson Corporation
- Yoichi Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging roller and image forming apparatus
- Patent number 7,539,443
- Issue date May 26, 2009
- Seiko Epson Corporation
- Shinichi Kamoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and system with attachable and detachable d...
- Patent number 7,406,272
- Issue date Jul 29, 2008
- Seiko Epson Corporation
- Kazuhiro Nishiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, image forming apparatus, image forming system, a...
- Patent number 7,403,734
- Issue date Jul 22, 2008
- Seiko Epson Corporation
- Katsumi Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with control blade having an arcuate shape
- Patent number 7,359,662
- Issue date Apr 15, 2008
- Seiko Epson Corporation
- Yoichi Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, image forming apparatus, image forming system, c...
- Patent number 7,330,684
- Issue date Feb 12, 2008
- Seiko Epson Corporation
- Katsumi Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, image forming apparatus, and image forming system
- Patent number 7,330,681
- Issue date Feb 12, 2008
- Seiko Epson Corporation
- Katsumi Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having developing device with sealing membe...
- Patent number 7,324,775
- Issue date Jan 29, 2008
- Seiko Epson Corporation
- Katsumi Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
MEDIUM DISCHARGING DEVICE AND METHOD OF CONTROLLING MEDIUM DISCHARG...
- Publication number 20190177107
- Publication date Jun 13, 2019
- SEIKO EPSON CORPORATION
- Katsuyuki KONDO
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
RECORDING APPARATUS
- Publication number 20150258800
- Publication date Sep 17, 2015
- SEIKO EPSON CORPORATION
- Yoshiyuki TANAKA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
RECORDING APPARATUS
- Publication number 20150091988
- Publication date Apr 2, 2015
- SEIKO EPSON CORPORATION
- Katsumi OKAMOTO
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
MEDIUM TRANSPORT DEVICE AND RECORDING DEVICE
- Publication number 20150061215
- Publication date Mar 5, 2015
- SEIKO EPSON CORPORATION
- Takeshi AOKI
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
MEDIUM TRANSPORT DEVICE AND RECORDING DEVICE
- Publication number 20150061216
- Publication date Mar 5, 2015
- SEIKO EPSON CORPORATION
- Takeshi AOKI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
RECORDING APPARATUS
- Publication number 20140362133
- Publication date Dec 11, 2014
- SEIKO EPSON CORPORATION
- Yoshiyuki TANAKA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
RECORDING APPARATUS
- Publication number 20130050378
- Publication date Feb 28, 2013
- SEIKO EPSON CORPORATION
- Katsumi OKAMOTO
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
RECORDING APPARATUS
- Publication number 20130050382
- Publication date Feb 28, 2013
- SEIKO EPSON CORPORATION
- Katsumi OKAMOTO
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Toner-Particle Bearing Roller, Developing Device, and Image Forming...
- Publication number 20120263505
- Publication date Oct 18, 2012
- SEIKO EPSON CORPORATION
- Yoichi YAMADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LIQUID EJECTION APPARATUS
- Publication number 20120218348
- Publication date Aug 30, 2012
- SEIKO EPSON CORPORATION
- Katsumi OKAMOTO
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LIQUID EJECTING APPARATUS
- Publication number 20110267393
- Publication date Nov 3, 2011
- SEIKO EPSON CORPORATION
- Katsumi OKAMOTO
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LIQUID EJECTING APPARATUS
- Publication number 20110254893
- Publication date Oct 20, 2011
- SEIKO EPSON CORPORATION
- Takamasa IKAGAWA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20100209126
- Publication date Aug 19, 2010
- SEIKO EPSON CORPORATION
- Takeshi AOKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Container for Developing Agent, and Image Forming Apparatus Incorpo...
- Publication number 20100021213
- Publication date Jan 28, 2010
- SEIKO EPSON CORPORATION
- Katsumi Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT CARTRIDGE, DEVELOPMENT UNIT, AND IMAGE FORMING APPARATUS
- Publication number 20090245832
- Publication date Oct 1, 2009
- SEIKO EPSON CORPORATION
- Takeshi Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20090245885
- Publication date Oct 1, 2009
- SEIKO EPSON CORPORATION
- Katsumi OKAMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT CARTRIDGE, DEVELOPMENT UNIT, AND IMAGE FORMING APPARATUS
- Publication number 20090245878
- Publication date Oct 1, 2009
- SEIKO EPSON CORPORATION
- Takeshi Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20090245880
- Publication date Oct 1, 2009
- SEIKO EPSON CORPORATION
- Katsumi OKAMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20090245823
- Publication date Oct 1, 2009
- SEIKO EPSON CORPORATION
- Koji MIGITA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS EQUIPPED WITH THE DEV...
- Publication number 20090245863
- Publication date Oct 1, 2009
- SEIKO EPSON CORPORATION
- Makoto SATO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE, DEVELOPING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20090245884
- Publication date Oct 1, 2009
- SEIKO EPSON CORPORATION
- Takeshi AOKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Charging Roller and Image Forming Apparatus
- Publication number 20090208239
- Publication date Aug 20, 2009
- SEIKO EPSON CORPORATION
- Shinichi Kamoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing Device, Image Forming Apparatus, Image Forming System, C...
- Publication number 20080267666
- Publication date Oct 30, 2008
- SEIKO EPSON CORPORATION
- Junji Shirokoshi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Image Formation Apparatus and Image Formation System
- Publication number 20080212985
- Publication date Sep 4, 2008
- SEIKO EPSON CORPORATION
- Kazuyoshi OHASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developer Cartridge, Image Forming Apparatus, and Shutter Device
- Publication number 20080124105
- Publication date May 29, 2008
- SEIKO EPSON CORPORATION
- Katsumi OKAMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Method for Reattaching Layer Thickness Regulating Member, Developin...
- Publication number 20080044200
- Publication date Feb 21, 2008
- SEIKO EPSON CORPORATION
- Katsumi Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Container for Developing Agent, and Image Forming Apparatus Incorpo...
- Publication number 20080031658
- Publication date Feb 7, 2008
- Seiko Epson Corporation
- Katsumi Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Layer-Thickness Restriction Member, Developing Device, Method for M...
- Publication number 20070253750
- Publication date Nov 1, 2007
- SEIKO EPSON CORPORATION
- Katsumi OKAMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing Agent Carrier Manufacturing Method, Developing Agent Car...
- Publication number 20070147906
- Publication date Jun 28, 2007
- SEIKO EPSON CORPORATION
- Noboru SAKURAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing Device And Image Forming Apparatus
- Publication number 20070110484
- Publication date May 17, 2007
- SEIKO EPSON CORPORATION
- Yoichi YAMADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Katsumi Okamoto

Person

Patents Grantslast 30 patents

Medium discharging device and method of controlling medium discharg...

Recording apparatus

Recording apparatus

Medium transport device and recording device

Medium transport device and recording device

Recording apparatus

Recording apparatus

Liquid ejection apparatus

Recording apparatus

Liquid ejecting apparatus

Liquid ejecting apparatus

Toner-particle bearing roller, developing device, and image forming...

Developing agent carrier manufacturing method, developing agent car...

Developing device and image forming apparatus

Developing device, image forming apparatus, image forming system, c...

Developing cartridge, developing device, and image forming apparatus

Developing device and image forming apparatus

Container for developing agent, and image forming apparatus incorpo...

Developer cartridge, image forming apparatus, and shutter device

Image formation apparatus that replenishes developer based on detec...

Layer-thickness restriction member, developing device, method for m...

Container for developing agent, and image forming apparatus incorpo...

Developing device and image forming apparatus having a toner-partic...

Charging roller and image forming apparatus

Image forming apparatus and system with attachable and detachable d...

Developing device, image forming apparatus, image forming system, a...

Image forming apparatus with control blade having an arcuate shape

Developing device, image forming apparatus, image forming system, c...

Developing device, image forming apparatus, and image forming system

Image forming apparatus having developing device with sealing membe...

Patents Applicationslast 30 patents

MEDIUM DISCHARGING DEVICE AND METHOD OF CONTROLLING MEDIUM DISCHARG...

RECORDING APPARATUS

RECORDING APPARATUS

MEDIUM TRANSPORT DEVICE AND RECORDING DEVICE

MEDIUM TRANSPORT DEVICE AND RECORDING DEVICE

RECORDING APPARATUS

RECORDING APPARATUS

RECORDING APPARATUS

Toner-Particle Bearing Roller, Developing Device, and Image Forming...

LIQUID EJECTION APPARATUS

LIQUID EJECTING APPARATUS

LIQUID EJECTING APPARATUS

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

Container for Developing Agent, and Image Forming Apparatus Incorpo...

DEVELOPMENT CARTRIDGE, DEVELOPMENT UNIT, AND IMAGE FORMING APPARATUS

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

DEVELOPMENT CARTRIDGE, DEVELOPMENT UNIT, AND IMAGE FORMING APPARATUS

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS EQUIPPED WITH THE DEV...

DEVELOPING CARTRIDGE, DEVELOPING DEVICE, AND IMAGE FORMING APPARATUS

Charging Roller and Image Forming Apparatus

Developing Device, Image Forming Apparatus, Image Forming System, C...

Image Formation Apparatus and Image Formation System

Developer Cartridge, Image Forming Apparatus, and Shutter Device

Method for Reattaching Layer Thickness Regulating Member, Developin...

Container for Developing Agent, and Image Forming Apparatus Incorpo...

Layer-Thickness Restriction Member, Developing Device, Method for M...

Developing Agent Carrier Manufacturing Method, Developing Agent Car...

Developing Device And Image Forming Apparatus