Yasunobu Shimizu

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus with a toner conveying device having a reve...
- Patent number 11,868,064
- Issue date Jan 9, 2024
- Ricoh Company, Ltd.
- Kohta Sakaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for measuring transmittance of quartz crucible
- Patent number 11,703,452
- Issue date Jul 18, 2023
- Sumco Corporation
- Yasunobu Shimizu
- G01 - MEASURING TESTING
Information Patent Grant
Image forming apparatus having an apparatus body and a detachable u...
- Patent number 11,513,464
- Issue date Nov 29, 2022
- Ricoh Company, Ltd.
- Yasunobu Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of evaluating inner circumference of quartz crucible and qua...
- Patent number 11,361,462
- Issue date Jun 14, 2022
- Sumco Corporation
- Yasunobu Shimizu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Developing device, and image forming apparatus and process cartridg...
- Patent number 9,921,541
- Issue date Mar 20, 2018
- Ricoh Company, Ltd.
- Yasunobu Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with a controller to set transfer bias
- Patent number 9,864,307
- Issue date Jan 9, 2018
- Ricoh Company, Ltd.
- Kenji Sengoku
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus incorporating same
- Patent number 9,772,579
- Issue date Sep 26, 2017
- Ricoh Company, Ltd.
- Yuki Oshikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus incorporating same
- Patent number 9,625,851
- Issue date Apr 18, 2017
- Ricoh Company, Ltd.
- Yuki Oshikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with transfer output device outputting supe...
- Patent number 9,535,375
- Issue date Jan 3, 2017
- Ricoh Company, Ltd.
- Shinya Tanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,488,937
- Issue date Nov 8, 2016
- Ricoh Company, Ltd.
- Shinya Tanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,454,107
- Issue date Sep 27, 2016
- Ricoh Company, Ltd.
- Yasunobu Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with a controller to set transfer bias
- Patent number 9,323,170
- Issue date Apr 26, 2016
- Ricoh Company, Ltd.
- Kenji Sengoku
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,291,934
- Issue date Mar 22, 2016
- Ricoh Company, Ltd.
- Yasunobu Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and transfer bias application device therein
- Patent number 9,291,955
- Issue date Mar 22, 2016
- Ricoh Company, Ltd.
- Keigo Nakamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having transfer bias control
- Patent number 9,285,722
- Issue date Mar 15, 2016
- Ricoh Company, Ltd.
- Shinya Tanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer device and image forming apparatus including same
- Patent number 9,195,179
- Issue date Nov 24, 2015
- Ricoh Company, Ltd.
- Yasunobu Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,164,462
- Issue date Oct 20, 2015
- Ricoh Company, Ltd.
- Keigo Nakamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer device and image forming apparatus
- Patent number 9,152,070
- Issue date Oct 6, 2015
- Ricoh Company, Ltd.
- Hiromi Ogiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and transfer bias application device therein
- Patent number 9,122,207
- Issue date Sep 1, 2015
- Ricoh Company, Ltd.
- Keigo Nakamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and transfer bias application device therein
- Patent number 9,081,333
- Issue date Jul 14, 2015
- Ricoh Company, Ltd.
- Keigo Nakamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus to maintain adequate transferability of ton...
- Patent number 9,075,350
- Issue date Jul 7, 2015
- Ricoh Company, Ltd.
- Shinya Tanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,075,383
- Issue date Jul 7, 2015
- Ricoh Company, Ltd.
- Kenji Sengoku
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,057,991
- Issue date Jun 16, 2015
- Ricoh Company, Ltd.
- Yasunobu Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,046,830
- Issue date Jun 2, 2015
- Ricoh Company, Ltd.
- Shinya Tanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, image forming system, and transfer method
- Patent number 9,037,022
- Issue date May 19, 2015
- Ricoh Company, Limited
- Tomokazu Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,031,436
- Issue date May 12, 2015
- Ricoh Company, Ltd.
- Yasunobu Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus which uses an AC voltage and/or a DC voltag...
- Patent number 8,977,153
- Issue date Mar 10, 2015
- Ricoh Company, Ltd.
- Hiromi Ogiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including forced toner consumption control
- Patent number 8,965,227
- Issue date Feb 24, 2015
- Ricoh Company, Limited
- Takehide Mizutani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Power supply module and image forming apparatus including same
- Patent number 8,948,644
- Issue date Feb 3, 2015
- Ricoh Company, Ltd.
- Junpei Fujita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer device and image forming apparatus
- Patent number 8,934,822
- Issue date Jan 13, 2015
- Ricoh Company, Ltd.
- Ryuuichi Mimbu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
MANUFACTURING METHOD OF SINGLE CRYSTALS
- Publication number 20230357950
- Publication date Nov 9, 2023
- SUMCO CORPORATION
- Yasunobu SHIMIZU
- C30 - CRYSTAL GROWTH
Information Patent Application
HEALTH DATA MANAGEMENT SYSTEM, HEALTH DATA MEASUREMENT APPARATUS, A...
- Publication number 20230005577
- Publication date Jan 5, 2023
- RICOH COMPANY, LTD.
- Hiroyuki Sugiyama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20220373934
- Publication date Nov 24, 2022
- Kohta SAKAYA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20220091556
- Publication date Mar 24, 2022
- Yasunobu SHIMIZU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD AND APPARATUS FOR MEASURING TRANSMITTANCE OF QUARTZ CRUCIBLE
- Publication number 20210181106
- Publication date Jun 17, 2021
- SUMCO CORPORATION
- Yasunobu SHIMIZU
- G01 - MEASURING TESTING
Information Patent Application
METHOD OF EVALUATING INNER CIRCUMFERENCE OF QUARTZ CRUCIBLE AND QUA...
- Publication number 20200118286
- Publication date Apr 16, 2020
- SUMCO CORPORATION
- Yasunobu SHIMIZU
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20170108795
- Publication date Apr 20, 2017
- Yuki OSHIKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20160238966
- Publication date Aug 18, 2016
- Yuki OSHIKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS WITH A CONTROLLER TO SET TRANSFER BIAS
- Publication number 20160202644
- Publication date Jul 14, 2016
- Kenji SENGOKU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160154347
- Publication date Jun 2, 2016
- Shinya TANAKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE, AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDG...
- Publication number 20150338824
- Publication date Nov 26, 2015
- RICOH COMPANY, LTD.
- Yasunobu Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND TRANSFER BIA APPLICATION DEVICE THEREIN
- Publication number 20150261143
- Publication date Sep 17, 2015
- Keigo NAKAMURA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS, IMAGE FORMING SYSTEM, AND TRANSFER METHOD
- Publication number 20140341605
- Publication date Nov 20, 2014
- Tomokazu TAKEUCHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20140270830
- Publication date Sep 18, 2014
- Keigo NAKAMURA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20140248064
- Publication date Sep 4, 2014
- Shinya Tanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20140147182
- Publication date May 29, 2014
- Kenji SENGOKU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20140079418
- Publication date Mar 20, 2014
- Shinya TANAKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20140029988
- Publication date Jan 30, 2014
- Yasunobu Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20130308968
- Publication date Nov 21, 2013
- Shinya TANAKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20130236201
- Publication date Sep 12, 2013
- Takehide Mizutani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TRANSFER DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
- Publication number 20130195483
- Publication date Aug 1, 2013
- Yasunobu Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20130177329
- Publication date Jul 11, 2013
- Shinya TANAKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20130164011
- Publication date Jun 27, 2013
- Keigo NAKAMURA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20130136468
- Publication date May 30, 2013
- Yasunobu Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20130136477
- Publication date May 30, 2013
- Hiromi OGIYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE TRANSFER DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20130094870
- Publication date Apr 18, 2013
- Yasunobu Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TRANSFER DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20130089363
- Publication date Apr 11, 2013
- Ryuuichi Mimbu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20130064559
- Publication date Mar 14, 2013
- Keigo NAKAMURA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWER SUPPLY MODULE AND IMAGE FORMING APPARATUS INCLUDING SAME
- Publication number 20130016989
- Publication date Jan 17, 2013
- Junpei FUJITA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TRANSFER DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20130011155
- Publication date Jan 10, 2013
- Hiromi Ogiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Yasunobu Shimizu

Person

Patents Grantslast 30 patents

Image forming apparatus with a toner conveying device having a reve...

Method and apparatus for measuring transmittance of quartz crucible

Image forming apparatus having an apparatus body and a detachable u...

Method of evaluating inner circumference of quartz crucible and qua...

Developing device, and image forming apparatus and process cartridg...

Image forming apparatus with a controller to set transfer bias

Developing device and image forming apparatus incorporating same

Developing device and image forming apparatus incorporating same

Image forming apparatus with transfer output device outputting supe...

Image forming apparatus

Image forming apparatus

Image forming apparatus with a controller to set transfer bias

Image forming apparatus

Image forming apparatus and transfer bias application device therein

Image forming apparatus having transfer bias control

Transfer device and image forming apparatus including same

Image forming apparatus

Transfer device and image forming apparatus

Image forming apparatus and transfer bias application device therein

Image forming apparatus and transfer bias application device therein

Image forming apparatus to maintain adequate transferability of ton...

Image forming apparatus

Image forming apparatus

Image forming apparatus

Image forming apparatus, image forming system, and transfer method

Image forming apparatus

Image forming apparatus which uses an AC voltage and/or a DC voltag...

Image forming apparatus including forced toner consumption control

Power supply module and image forming apparatus including same

Transfer device and image forming apparatus

Patents Applicationslast 30 patents

MANUFACTURING METHOD OF SINGLE CRYSTALS

HEALTH DATA MANAGEMENT SYSTEM, HEALTH DATA MEASUREMENT APPARATUS, A...

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

METHOD AND APPARATUS FOR MEASURING TRANSMITTANCE OF QUARTZ CRUCIBLE

METHOD OF EVALUATING INNER CIRCUMFERENCE OF QUARTZ CRUCIBLE AND QUA...

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

IMAGE FORMING APPARATUS WITH A CONTROLLER TO SET TRANSFER BIAS

IMAGE FORMING APPARATUS

DEVELOPING DEVICE, AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDG...

IMAGE FORMING APPARATUS AND TRANSFER BIA APPLICATION DEVICE THEREIN

IMAGE FORMING APPARATUS, IMAGE FORMING SYSTEM, AND TRANSFER METHOD

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

TRANSFER DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE TRANSFER DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

TRANSFER DEVICE AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

POWER SUPPLY MODULE AND IMAGE FORMING APPARATUS INCLUDING SAME

TRANSFER DEVICE AND IMAGE FORMING APPARATUS