Hiromasa Katayama

Person

Toride-Shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Developer supply container and developer supplying system
- Patent number 12,038,713
- Issue date Jul 16, 2024
- Canon Kabushiki Kaisha
- Ayatomo Okino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer supply container and developer supplying system
- Patent number 11,940,753
- Issue date Mar 26, 2024
- Canon Kabushiki Kaisha
- Hiromasa Katayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer supply container and developer supplying system
- Patent number 11,650,537
- Issue date May 16, 2023
- Canon Kabushiki Kaisha
- Hiromasa Katayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer supply container and developer supplying system
- Patent number 11,480,913
- Issue date Oct 25, 2022
- Canon Kabushiki Kaisha
- Ayatomo Okino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer supply container and developer supplying system
- Patent number 11,150,598
- Issue date Oct 19, 2021
- Canon Kabushiki Kaisha
- Hiromasa Katayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer supply container and developer supplying system
- Patent number 10,884,371
- Issue date Jan 5, 2021
- Canon Kabushiki Kaisha
- Ayatomo Okino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer supply container and developer supplying system
- Patent number 10,852,688
- Issue date Dec 1, 2020
- Canon Kabushiki Kaisha
- Ayatomo Okino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having developer accommodating container ro...
- Patent number 10,732,553
- Issue date Aug 4, 2020
- Canon Kabushiki Kaisha
- Tooru Kuroki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 10,732,539
- Issue date Aug 4, 2020
- Canon Kabushiki Kaisha
- Hiromasa Katayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer supply container and developer supplying system
- Patent number 10,558,161
- Issue date Feb 11, 2020
- Canon Kabushiki Kaisha
- Hiromasa Katayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a developing cartridge with mounting...
- Patent number 10,409,215
- Issue date Sep 10, 2019
- Canon Kabushiki Kaisha
- Takahiro Kobayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming unit
- Patent number 10,303,114
- Issue date May 28, 2019
- Canon Kabushiki Kaisha
- Hiromasa Katayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Structure of image forming apparatus
- Patent number 10,274,893
- Issue date Apr 30, 2019
- Canon Kabushiki Kaisha
- Ryota Yasui
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Photosensitive member unit and image forming apparatus including th...
- Patent number 9,760,059
- Issue date Sep 12, 2017
- Canon Kabushiki Kaisha
- Hiromasa Katayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a developing cartridge with mounting...
- Patent number 9,671,748
- Issue date Jun 6, 2017
- Canon Kabushiki Kaisha
- Takahiro Kobayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning device with sealing of supporting plate
- Patent number 9,645,543
- Issue date May 9, 2017
- Canon Kabushiki Kaisha
- Hitoshi Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,442,458
- Issue date Sep 13, 2016
- Canon Kabushiki Kaisha
- Takahiro Kobayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,870,178
- Issue date Oct 28, 2014
- Canon Kabushiki Kaisha
- Keitaro Taoka
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sheet conveying apparatus and image forming apparatus with differen...
- Patent number 8,528,902
- Issue date Sep 10, 2013
- Canon Kabushiki Kaisha
- Hiromasa Katayama
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sheet conveyance apparatus, image forming apparatus, and image read...
- Patent number 8,342,506
- Issue date Jan 1, 2013
- Canon Kabushiki Kaisha
- Hiromasa Katayama
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sheet conveying apparatus, image forming apparatus, and image readi...
- Patent number 8,342,500
- Issue date Jan 1, 2013
- Canon Kabushiki Kaisha
- Hiromasa Katayama
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sheet feeding apparatus and image forming apparatus
- Patent number 8,297,613
- Issue date Oct 30, 2012
- Canon Kabushiki Kaisha
- Hiromasa Katayama
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Image forming apparatus
- Patent number 8,155,561
- Issue date Apr 10, 2012
- Canon Kabushiki Kaisha
- Hiromasa Katayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,139,995
- Issue date Mar 20, 2012
- Canon Kabushiki Kaisha
- Takashi Fujita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sheet processing apparatus and image forming apparatus provided wit...
- Patent number 8,113,499
- Issue date Feb 14, 2012
- Canon Kabushiki Kaisha
- Hideki Kushida
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Image forming apparatus which achieves stability of a gap between a...
- Patent number 8,095,051
- Issue date Jan 10, 2012
- Canon Kabushiki Kaisha
- Hiromasa Katayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having an endless conveying belt with a 720...
- Patent number 7,983,607
- Issue date Jul 19, 2011
- Canon Kabushiki Kaisha
- Hiromasa Katayama
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sheet conveying apparatus, image forming apparatus, and image readi...
- Patent number 7,798,490
- Issue date Sep 21, 2010
- Canon Kabushiki Kaisha
- Ken-ichi Tamura
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Endless belt conveying apparatus and toner image heating apparatus
- Patent number 7,778,583
- Issue date Aug 17, 2010
- Canon Kabushiki Kaisha
- Hiromasa Katayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sheet processing apparatus and image forming apparatus provided wit...
- Patent number 7,762,540
- Issue date Jul 27, 2010
- Canon Kabushiki Kaisha
- Hideki Kushida
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
DEVELOPER SUPPLY CONTAINER AND DEVELOPER SUPPLYING SYSTEM
- Publication number 20240329593
- Publication date Oct 3, 2024
- Canon Kabushiki Kaisha
- Ayatomo Okino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER SUPPLY CONTAINER AND DEVELOPER SUPPLYING SYSTEM
- Publication number 20240248431
- Publication date Jul 25, 2024
- Canon Kabushiki Kaisha
- Hiromasa Katayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER SUPPLY CONTAINER AND DEVELOPER SUPPLYING SYSTEM
- Publication number 20230244177
- Publication date Aug 3, 2023
- Canon Kabushiki Kaisha
- Hiromasa Katayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER SUPPLY CONTAINER AND DEVELOPER SUPPLYING SYSTEM
- Publication number 20230019635
- Publication date Jan 19, 2023
- Canon Kabushiki Kaisha
- Ayatomo Okino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER SUPPLY CONTAINER AND DEVELOPER SUPPLYING SYSTEM
- Publication number 20210356905
- Publication date Nov 18, 2021
- Canon Kabushiki Kaisha
- Hiromasa Katayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER SUPPLY CONTAINER AND DEVELOPER SUPPLYING SYSTEM
- Publication number 20210048775
- Publication date Feb 18, 2021
- Canon Kabushiki Kaisha
- Ayatomo Okino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER SUPPLY CONTAINER AND DEVELOPER SUPPLYING SYSTEM
- Publication number 20200159163
- Publication date May 21, 2020
- Canon Kabushiki Kaisha
- Hiromasa Katayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20190235429
- Publication date Aug 1, 2019
- Canon Kabushiki Kaisha
- Tooru Kuroki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER SUPPLY CONTAINER AND DEVELOPER SUPPLYING SYSTEM
- Publication number 20190212694
- Publication date Jul 11, 2019
- Canon Kabushiki Kaisha
- Hiromasa Katayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER SUPPLY CONTAINER AND DEVELOPER SUPPLYING SYSTEM
- Publication number 20190212693
- Publication date Jul 11, 2019
- Canon Kabushiki Kaisha
- Ayatomo Okino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20190064696
- Publication date Feb 28, 2019
- Canon Kabushiki Kaisha
- Hiromasa Katayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS HAVING A DEVELOPING CARTRIDGE WITH MOUNTING...
- Publication number 20170261924
- Publication date Sep 14, 2017
- Canon Kabushiki Kaisha
- Takahiro Kobayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
STRUCTURE OF IMAGE FORMING APPARATUS
- Publication number 20170219992
- Publication date Aug 3, 2017
- Canon Kabushiki Kaisha
- Ryota Yasui
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160216678
- Publication date Jul 28, 2016
- Canon Kabushiki Kaisha
- Takahiro Kobayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160216684
- Publication date Jul 28, 2016
- CANON KABUSHIKI KAISHA
- Takahiro Kobayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PHOTOSENSITIVE MEMBER UNIT AND IMAGE FORMING APPARATUS INCLUDING TH...
- Publication number 20160216688
- Publication date Jul 28, 2016
- Canon Kabushiki Kaisha
- Hiromasa Katayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CLEANING DEVICE
- Publication number 20160209799
- Publication date Jul 21, 2016
- Canon Kabushiki Kaisha
- Hitoshi Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING UNIT
- Publication number 20160209803
- Publication date Jul 21, 2016
- Canon Kabushiki Kaisha
- Hiromasa Katayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20140042687
- Publication date Feb 13, 2014
- Canon Kabushiki Kaisha
- Keitaro Taoka
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
LIGHT SCANNING APPARATUS AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPA...
- Publication number 20130002789
- Publication date Jan 3, 2013
- Canon Kabushiki Kaisha
- Hiromasa Katayama
- G02 - OPTICS
Information Patent Application
SHEET CONVEYING APPARATUS AND IMAGE FORMING APPARATUS
- Publication number 20120153557
- Publication date Jun 21, 2012
- Canon Kabushiki Kaisha
- HIROMASA KATAYAMA
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20120063803
- Publication date Mar 15, 2012
- Canon Kabushiki Kaisha
- Takashi Fujita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SHEET FEEDING APPARATUS AND IMAGE FORMING APPARATUS
- Publication number 20110140356
- Publication date Jun 16, 2011
- Canon Kabushiki Kaisha
- HIROMASA KATAYAMA
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
SHEET CONVEYING APPARATUS, IMAGE FORMING APPARATUS, AND IMAGE READI...
- Publication number 20110133399
- Publication date Jun 9, 2011
- Canon Kabushiki Kaisha
- Hiromasa Katayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SHEET CONVEYANCE APPARATUS, IMAGE FORMING APPARATUS, AND IMAGE READ...
- Publication number 20110127709
- Publication date Jun 2, 2011
- Canon Kabushiki Kaisha
- Hiromasa Katayama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
SHEET PROCESSING APPARATUS AND IMAGE FORMING APPARATUS PROVIDED WIT...
- Publication number 20100252980
- Publication date Oct 7, 2010
- Canon Kabushiki Kaisha
- Hideki Kushida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20100119259
- Publication date May 13, 2010
- Canon Kabushiki Kaisha
- Hiromasa Katayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SHEET PROCESSING APPARATUS AND IMAGE FORMING APPARATUS PROVIDED WIT...
- Publication number 20090140483
- Publication date Jun 4, 2009
- Canon Kabushiki Kaisha
- Hideki Kushida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20090074449
- Publication date Mar 19, 2009
- Canon Kabushiki Kaisha
- Hiromasa Katayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20090067896
- Publication date Mar 12, 2009
- Canon Kabushiki Kaisha
- Hiromasa Katayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Hiromasa Katayama

Person

Patents Grantslast 30 patents

Developer supply container and developer supplying system

Developer supply container and developer supplying system

Developer supply container and developer supplying system

Developer supply container and developer supplying system

Developer supply container and developer supplying system

Developer supply container and developer supplying system

Developer supply container and developer supplying system

Image forming apparatus having developer accommodating container ro...

Image forming apparatus

Developer supply container and developer supplying system

Image forming apparatus having a developing cartridge with mounting...

Image forming unit

Structure of image forming apparatus

Photosensitive member unit and image forming apparatus including th...

Image forming apparatus having a developing cartridge with mounting...

Cleaning device with sealing of supporting plate

Image forming apparatus

Image forming apparatus

Sheet conveying apparatus and image forming apparatus with differen...

Sheet conveyance apparatus, image forming apparatus, and image read...

Sheet conveying apparatus, image forming apparatus, and image readi...

Sheet feeding apparatus and image forming apparatus

Image forming apparatus

Image forming apparatus

Sheet processing apparatus and image forming apparatus provided wit...

Image forming apparatus which achieves stability of a gap between a...

Image forming apparatus having an endless conveying belt with a 720...

Sheet conveying apparatus, image forming apparatus, and image readi...

Endless belt conveying apparatus and toner image heating apparatus

Sheet processing apparatus and image forming apparatus provided wit...

Patents Applicationslast 30 patents

DEVELOPER SUPPLY CONTAINER AND DEVELOPER SUPPLYING SYSTEM

DEVELOPER SUPPLY CONTAINER AND DEVELOPER SUPPLYING SYSTEM

DEVELOPER SUPPLY CONTAINER AND DEVELOPER SUPPLYING SYSTEM

DEVELOPER SUPPLY CONTAINER AND DEVELOPER SUPPLYING SYSTEM

DEVELOPER SUPPLY CONTAINER AND DEVELOPER SUPPLYING SYSTEM

DEVELOPER SUPPLY CONTAINER AND DEVELOPER SUPPLYING SYSTEM

DEVELOPER SUPPLY CONTAINER AND DEVELOPER SUPPLYING SYSTEM

IMAGE FORMING APPARATUS

DEVELOPER SUPPLY CONTAINER AND DEVELOPER SUPPLYING SYSTEM

DEVELOPER SUPPLY CONTAINER AND DEVELOPER SUPPLYING SYSTEM

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS HAVING A DEVELOPING CARTRIDGE WITH MOUNTING...

STRUCTURE OF IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

PHOTOSENSITIVE MEMBER UNIT AND IMAGE FORMING APPARATUS INCLUDING TH...

CLEANING DEVICE

IMAGE FORMING UNIT

IMAGE FORMING APPARATUS

LIGHT SCANNING APPARATUS AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPA...

SHEET CONVEYING APPARATUS AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

SHEET FEEDING APPARATUS AND IMAGE FORMING APPARATUS

SHEET CONVEYING APPARATUS, IMAGE FORMING APPARATUS, AND IMAGE READI...

SHEET CONVEYANCE APPARATUS, IMAGE FORMING APPARATUS, AND IMAGE READ...

SHEET PROCESSING APPARATUS AND IMAGE FORMING APPARATUS PROVIDED WIT...

IMAGE FORMING APPARATUS

SHEET PROCESSING APPARATUS AND IMAGE FORMING APPARATUS PROVIDED WIT...

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS