Kohei Matsumoto

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Distance detection device and imaging apparatus
- Patent number 11,846,731
- Issue date Dec 19, 2023
- Canon Kabushiki Kaisha
- Kohei Matsumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming apparatus and image forming method
- Patent number 10,365,601
- Issue date Jul 30, 2019
- Ricoh Company, Ltd.
- Keita Sone
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 10,241,462
- Issue date Mar 26, 2019
- Ricoh Company, Ltd.
- Masayoshi Nakayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming method
- Patent number 10,073,371
- Issue date Sep 11, 2018
- Ricoh Company, Ltd.
- Yuugo Matsuura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus comprising image density detector and toner...
- Patent number 9,696,654
- Issue date Jul 4, 2017
- Ricoh Company, Ltd.
- Masayoshi Nakayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including electric charge removing device a...
- Patent number 9,500,978
- Issue date Nov 22, 2016
- Ricoh Company, Ltd.
- Masayoshi Nakayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,488,931
- Issue date Nov 8, 2016
- Ricoh Company, Ltd.
- Makoto Yasuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Machine management system and message server used for machine manag...
- Patent number 7,295,887
- Issue date Nov 13, 2007
- Yokogawa Electric Corporation
- Kohei Matsumoto
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL APPARATUS AND IMAGE-CAPTURING APPARATUS
- Publication number 20230258913
- Publication date Aug 17, 2023
- Canon Kabushiki Kaisha
- TORU ISHIMASA
- G02 - OPTICS
Information Patent Application
OPTICAL DEVICE AND IMAGE PICKUP APPARATUS
- Publication number 20230136002
- Publication date May 4, 2023
- Canon Kabushiki Kaisha
- Toru Ishimasa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DISTANCE DETECTION DEVICE AND IMAGING APPARATUS
- Publication number 20210033710
- Publication date Feb 4, 2021
- Canon Kabushiki Kaisha
- Kohei Matsumoto
- G01 - MEASURING TESTING
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20180150010
- Publication date May 31, 2018
- Keita SONE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20180143581
- Publication date May 24, 2018
- Masayoshi NAKAYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20180059569
- Publication date Mar 1, 2018
- RICOH COMPANY, LTD.
- Yuugo MATSUURA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160291507
- Publication date Oct 6, 2016
- RICOH COMPANY, LTD.
- Masayoshi Nakayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160147174
- Publication date May 26, 2016
- Makoto YASUDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
APPARATUS AND METHOD OF FORMING IMAGE
- Publication number 20160026109
- Publication date Jan 28, 2016
- RICOH COMPANY, LTD.
- Masayoshi Nakayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Machine management system and message server used for machine manag...
- Publication number 20050188376
- Publication date Aug 25, 2005
- YOKOGAWA ELECTRIC CORPORATION
- Kohei Matsumoto
- G06 - COMPUTING CALCULATING COUNTING

Kohei Matsumoto

Person

Patents Grantslast 30 patents

Distance detection device and imaging apparatus

Image forming apparatus and image forming method

Image forming apparatus

Image forming apparatus and image forming method

Image forming apparatus comprising image density detector and toner...

Image forming apparatus including electric charge removing device a...

Image forming apparatus

Machine management system and message server used for machine manag...

Patents Applicationslast 30 patents

OPTICAL APPARATUS AND IMAGE-CAPTURING APPARATUS

OPTICAL DEVICE AND IMAGE PICKUP APPARATUS

DISTANCE DETECTION DEVICE AND IMAGING APPARATUS

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

APPARATUS AND METHOD OF FORMING IMAGE

Machine management system and message server used for machine manag...