Hirohisa Nakajima

Person

Tsukubamirai-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus configured to determine abnormality of drum...
- Patent number 11,675,286
- Issue date Jun 13, 2023
- Canon Kabushiki Kaisha
- Hirohisa Nakajima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Power supply apparatus and image forming apparatus for determining...
- Patent number 10,890,855
- Issue date Jan 12, 2021
- Canon Kabushiki Kaisha
- Yohei Shiraki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Distinction of causes of errors in image forming apparatus
- Patent number 10,747,158
- Issue date Aug 18, 2020
- Canon Kabushiki Kaisha
- Hirohisa Nakajima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Bias output apparatus including a plurality of voltage output circu...
- Patent number 10,656,666
- Issue date May 19, 2020
- Canon Kabushiki Kaisha
- Hirohisa Nakajima
- G05 - CONTROLLING REGULATING
Information Patent Grant
Image forming apparatus
- Patent number 10,038,803
- Issue date Jul 31, 2018
- Canon Kabushiki Kaisha
- Yousuke Hata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
High voltage generation apparatus and image forming apparatus
- Patent number 10,031,436
- Issue date Jul 24, 2018
- Canon Kabushiki Kaisha
- Hirohisa Nakajima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including high voltage generating circuit
- Patent number 10,025,218
- Issue date Jul 17, 2018
- Canon Kabushiki Kaisha
- Hirohisa Nakajima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming system
- Patent number 9,910,407
- Issue date Mar 6, 2018
- Canon Kabushiki Kaisha
- Toshifumi Kakutani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with pre-exposure member
- Patent number 9,835,970
- Issue date Dec 5, 2017
- Canon Kabushiki Kaisha
- Kenichi Shibuya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus that cleans detection surface of sensor for...
- Patent number 9,804,528
- Issue date Oct 31, 2017
- Canon Kabushiki Kaisha
- Masahiro Shinotsuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sheet feeding apparatus and image forming apparatus
- Patent number 9,650,220
- Issue date May 16, 2017
- Canon Kabushiki Kaisha
- Manabu Koseki
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Image forming apparatus including determination of amount of waste...
- Patent number 9,557,705
- Issue date Jan 31, 2017
- Canon Kabushiki Kaisha
- Manabu Koseki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with rotary polygon mirror speed control
- Patent number 9,525,795
- Issue date Dec 20, 2016
- Canon Kabushiki Kaisha
- Kazumi Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus that forms image on image carrier
- Patent number 9,523,945
- Issue date Dec 20, 2016
- Canon Kabushiki Kaisha
- Hirohisa Nakajima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having circuit board with silk-printed mark...
- Patent number 9,507,310
- Issue date Nov 29, 2016
- Canon Kabushiki Kaisha
- Hirohisa Nakajima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,467,586
- Issue date Oct 11, 2016
- Canon Kabushiki Kaisha
- Yousuke Hata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20220244659
- Publication date Aug 4, 2022
- Canon Kabushiki Kaisha
- Hirohisa Nakajima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DISTINCTION OF CAUSES OF ERRORS IN IMAGE FORMING APPARATUS
- Publication number 20200133181
- Publication date Apr 30, 2020
- Canon Kabushiki Kaisha
- Hirohisa Nakajima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWER SUPPLY APPARATUS AND IMAGE FORMING APPARATUS FOR DETERMINING...
- Publication number 20200089141
- Publication date Mar 19, 2020
- Canon Kabushiki Kaisha
- Yohei Shiraki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
BIAS OUTPUT APPARATUS INCLUDING A PLURALITY OF VOLTAGE OUTPUT CIRCU...
- Publication number 20200026320
- Publication date Jan 23, 2020
- Canon Kabushiki Kaisha
- Hirohisa Nakajima
- G05 - CONTROLLING REGULATING
Information Patent Application
IMAGE FORMING APPARATUS INCLUDING HIGH VOLTAGE GENERATING CIRCUIT
- Publication number 20180074427
- Publication date Mar 15, 2018
- Canon Kabushiki Kaisha
- Hirohisa Nakajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
HIGH VOLTAGE GENERATION APPARATUS AND IMAGE FORMING APPARATUS
- Publication number 20180067416
- Publication date Mar 8, 2018
- Canon Kabushiki Kaisha
- Hirohisa Nakajima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING SYSTEM
- Publication number 20170096314
- Publication date Apr 6, 2017
- Canon Kabushiki Kaisha
- Toshifumi KAKUTANI
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
IMAGE FORMING APPARATUS THAT CLEANS DETECTION SURFACE OF SENSOR FOR...
- Publication number 20170068205
- Publication date Mar 9, 2017
- Canon Kabushiki Kaisha
- Masahiro Shinotsuka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160381241
- Publication date Dec 29, 2016
- Canon Kabushiki Kaisha
- Yousuke Hata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160202657
- Publication date Jul 14, 2016
- Canon Kabushiki Kaisha
- Manabu Koseki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160202655
- Publication date Jul 14, 2016
- Canon Kabushiki Kaisha
- Hirohisa Nakajima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS THAT FORMS IMAGE ON IMAGE CARRIER
- Publication number 20160202643
- Publication date Jul 14, 2016
- Canon Kabushiki Kaisha
- Hirohisa Nakajima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160165086
- Publication date Jun 9, 2016
- Canon Kabushiki Kaisha
- Yousuke Hata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160150113
- Publication date May 26, 2016
- Canon Kabushiki Kaisha
- Kazumi Sato
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SHEET FEEDING APPARATUS AND IMAGE FORMING APPARATUS
- Publication number 20160101955
- Publication date Apr 14, 2016
- Canon Kabushiki Kaisha
- Manabu Koseki
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Hirohisa Nakajima

Person

Patents Grantslast 30 patents

Image forming apparatus configured to determine abnormality of drum...

Power supply apparatus and image forming apparatus for determining...

Distinction of causes of errors in image forming apparatus

Bias output apparatus including a plurality of voltage output circu...

Image forming apparatus

High voltage generation apparatus and image forming apparatus

Image forming apparatus including high voltage generating circuit

Image forming apparatus and image forming system

Image forming apparatus with pre-exposure member

Image forming apparatus that cleans detection surface of sensor for...

Sheet feeding apparatus and image forming apparatus

Image forming apparatus including determination of amount of waste...

Image forming apparatus with rotary polygon mirror speed control

Image forming apparatus that forms image on image carrier

Image forming apparatus having circuit board with silk-printed mark...

Image forming apparatus

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS

DISTINCTION OF CAUSES OF ERRORS IN IMAGE FORMING APPARATUS

POWER SUPPLY APPARATUS AND IMAGE FORMING APPARATUS FOR DETERMINING...

BIAS OUTPUT APPARATUS INCLUDING A PLURALITY OF VOLTAGE OUTPUT CIRCU...

IMAGE FORMING APPARATUS INCLUDING HIGH VOLTAGE GENERATING CIRCUIT

HIGH VOLTAGE GENERATION APPARATUS AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND IMAGE FORMING SYSTEM

IMAGE FORMING APPARATUS THAT CLEANS DETECTION SURFACE OF SENSOR FOR...

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS THAT FORMS IMAGE ON IMAGE CARRIER

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

SHEET FEEDING APPARATUS AND IMAGE FORMING APPARATUS