Shuji Hirai

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Rotary connector and fixing structure of rotary connector
- Patent number 10,587,085
- Issue date Mar 10, 2020
- Furukawa Electric Co., Ltd.
- Shuji Hirai
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Image forming apparatus
- Patent number 10,474,056
- Issue date Nov 12, 2019
- Ricoh Company, Ltd.
- Yuuichiroh Uematsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Rotary connector device
- Patent number 10,439,348
- Issue date Oct 8, 2019
- Furukawa Electric Co., Ltd.
- Shuji Hirai
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Image forming apparatus
- Patent number 10,401,763
- Issue date Sep 3, 2019
- Ricoh Company, Ltd.
- Satoshi Kaneko
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming method which cyclically c...
- Patent number 9,996,037
- Issue date Jun 12, 2018
- Ricoh Company, Ltd.
- Satoshi Kaneko
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus that adjusts a voltage output based on tone...
- Patent number 9,857,747
- Issue date Jan 2, 2018
- Ricoh Company, Ltd.
- Satoshi Kaneko
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,778,593
- Issue date Oct 3, 2017
- Ricoh Company, Ltd.
- Shuji Hirai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Technique for reducing uneven image density in an image forming app...
- Patent number 9,727,001
- Issue date Aug 8, 2017
- Ricoh Company, Ltd.
- Satoshi Kaneko
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and correction data generation method which...
- Patent number 9,671,716
- Issue date Jun 6, 2017
- Ricoh Company, Ltd.
- Naoto Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Recording media smoothness detector and image forming apparatus inc...
- Patent number 9,557,697
- Issue date Jan 31, 2017
- Ricoh Company, Ltd.
- Takumi Waida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and method adjusting image forming condition
- Patent number 9,423,752
- Issue date Aug 23, 2016
- Ricoh Company, Ltd.
- Satoshi Kaneko
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,411,278
- Issue date Aug 9, 2016
- Ricoh Company, Ltd.
- Motoyoshi Yamano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,400,442
- Issue date Jul 26, 2016
- Ricoh Company, Ltd.
- Satoshi Kaneko
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus forming a plurality of displaced test laten...
- Patent number 9,348,288
- Issue date May 24, 2016
- Ricoh Company, Ltd.
- Satoshi Kaneko
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a smoothness detector
- Patent number 9,250,592
- Issue date Feb 2, 2016
- Ricoh Company, Ltd.
- Ryota Yamashina
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming method
- Patent number 9,188,924
- Issue date Nov 17, 2015
- Ricoh Company, Ltd.
- Satoshi Kaneko
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus capable of reducing image density irregularity
- Patent number 9,182,720
- Issue date Nov 10, 2015
- Ricoh Company, Ltd.
- Satoshi Kaneko
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming method
- Patent number 9,152,896
- Issue date Oct 6, 2015
- Ricoh Company, Ltd.
- Satoshi Kaneko
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus
- Patent number 9,141,059
- Issue date Sep 22, 2015
- Ricoh Company, Ltd.
- Tetsuya Muto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus capable of effectively preventing image den...
- Patent number 9,128,402
- Issue date Sep 8, 2015
- Ricoh Company, Ltd.
- Yuuichiroh Uematsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,052,663
- Issue date Jun 9, 2015
- Ricoh Company, Ltd.
- Shingo Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus capable of reducing image density irregularity
- Patent number 9,046,850
- Issue date Jun 2, 2015
- Ricoh Company, Ltd.
- Shuji Hirai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Rotatable connector device
- Patent number 8,998,628
- Issue date Apr 7, 2015
- Furukawa Electric Co., Ltd.
- Shuji Hirai
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Image forming apparatus
- Patent number 8,983,320
- Issue date Mar 17, 2015
- Ricoh Company, Ltd.
- Shingo Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming method
- Patent number 8,977,148
- Issue date Mar 10, 2015
- Ricoh Company, Ltd.
- Satoshi Kaneko
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Diffuse reflection output conversion method, attached powder amount...
- Patent number 8,867,937
- Issue date Oct 21, 2014
- Ricoh Company, Limited
- Hideo Muroi
- G01 - MEASURING TESTING
Information Patent Grant
Rotatable connector device
- Patent number 8,834,189
- Issue date Sep 16, 2014
- Furukawa Electronic Co., Ltd.
- Shuji Hirai
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Image forming apparatus capable of optimally performing density flu...
- Patent number 8,831,449
- Issue date Sep 9, 2014
- Ricoh Company, Ltd.
- Shingo Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, image forming method, and computer program...
- Patent number 8,818,216
- Issue date Aug 26, 2014
- Ricoh Company, Limited
- Shuji Hirai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus
- Patent number 8,818,244
- Issue date Aug 26, 2014
- Ricoh Company, Ltd.
- Yushi Hirayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
ROTARY CONNECTOR AND FIXING STRUCTURE OF ROTARY CONNECTOR
- Publication number 20190221979
- Publication date Jul 18, 2019
- FURUKAWA ELECTRIC CO., LTD.
- Shuji HIRAI
- B60 - VEHICLES IN GENERAL
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20190196355
- Publication date Jun 27, 2019
- Yuuichiroh UEMATSU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ROTARY CONNECTOR DEVICE
- Publication number 20190089109
- Publication date Mar 21, 2019
- FURUKAWA ELECTRIC CO., LTD.
- Shuji HIRAI
- B60 - VEHICLES IN GENERAL
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20180136593
- Publication date May 17, 2018
- Satoshi KANEKO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20170269527
- Publication date Sep 21, 2017
- Satoshi KANEKO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING DEVICE
- Publication number 20160334734
- Publication date Nov 17, 2016
- Satoshi KANEKO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160299452
- Publication date Oct 13, 2016
- RICOH COMPANY, LTD.
- Satoshi Kaneko
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND CORRECTION DATA GENERATION METHOD
- Publication number 20160223934
- Publication date Aug 4, 2016
- Naoto WATANABE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160187807
- Publication date Jun 30, 2016
- Shuji HIRAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160124367
- Publication date May 5, 2016
- Satoshi KANEKO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160062260
- Publication date Mar 3, 2016
- Satoshi KANEKO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND METHOD ADJUSTING IMAGE FORMING CONDITION
- Publication number 20150362879
- Publication date Dec 17, 2015
- Satoshi KANEKO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
RECORDING MEDIA SMOOTHNESS DETECTOR AND IMAGE FORMING APPARATUS INC...
- Publication number 20150261161
- Publication date Sep 17, 2015
- Takumi WAIDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20150261162
- Publication date Sep 17, 2015
- Satoshi KANEKO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20150205241
- Publication date Jul 23, 2015
- Ryota YAMASHINA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
OPTICAL SENSOR AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20150116718
- Publication date Apr 30, 2015
- Terumichi OCHI
- G01 - MEASURING TESTING
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20150078770
- Publication date Mar 19, 2015
- Motoyoshi YAMANO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20140301748
- Publication date Oct 9, 2014
- Shingo Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20140270828
- Publication date Sep 18, 2014
- Shingo Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20140268242
- Publication date Sep 18, 2014
- Satoshi KANEKO
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20140270827
- Publication date Sep 18, 2014
- Tetsuya MUTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS CAPABLE OF EFFECTIVELY PREVENTING IMAGE DEN...
- Publication number 20140169814
- Publication date Jun 19, 2014
- Yuuichiroh UEMATSU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ROTATABLE CONNECTOR DEVICE
- Publication number 20130252442
- Publication date Sep 26, 2013
- FURUKAWA AUTOMOTIVE SYSTEMS INC.
- Shuji Hirai
- B60 - VEHICLES IN GENERAL
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20130243456
- Publication date Sep 19, 2013
- Satoshi KANEKO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20130243457
- Publication date Sep 19, 2013
- Satoshi KANEKO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS CAPABLE OF REDUCING IMAGE DENSITY IRREGULARITY
- Publication number 20130108288
- Publication date May 2, 2013
- Satoshi KANEKO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS CAPABLE OF OPTIMALLY PERFORMING DENSITY FLU...
- Publication number 20130108292
- Publication date May 2, 2013
- Shingo Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ROTATABLE CONNECTOR DEVICE
- Publication number 20130095672
- Publication date Apr 18, 2013
- Shuji Hirai
- B60 - VEHICLES IN GENERAL
Information Patent Application
ROTATABLE CONNECTOR DEVICE
- Publication number 20130095680
- Publication date Apr 18, 2013
- Shuji Hirai
- B60 - VEHICLES IN GENERAL
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20130004207
- Publication date Jan 3, 2013
- Yushi HIRAYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Shuji Hirai

Person

Patents Grantslast 30 patents

Rotary connector and fixing structure of rotary connector

Image forming apparatus

Rotary connector device

Image forming apparatus

Image forming apparatus and image forming method which cyclically c...

Image forming apparatus that adjusts a voltage output based on tone...

Image forming apparatus

Technique for reducing uneven image density in an image forming app...

Image forming apparatus and correction data generation method which...

Recording media smoothness detector and image forming apparatus inc...

Image forming apparatus and method adjusting image forming condition

Image forming apparatus

Image forming apparatus

Image forming apparatus forming a plurality of displaced test laten...

Image forming apparatus having a smoothness detector

Image forming apparatus and image forming method

Image forming apparatus capable of reducing image density irregularity

Image forming apparatus and image forming method

Image forming apparatus

Image forming apparatus capable of effectively preventing image den...

Image forming apparatus

Image forming apparatus capable of reducing image density irregularity

Rotatable connector device

Image forming apparatus

Image forming apparatus and image forming method

Diffuse reflection output conversion method, attached powder amount...

Rotatable connector device

Image forming apparatus capable of optimally performing density flu...

Image forming apparatus, image forming method, and computer program...

Developing device and image forming apparatus

Patents Applicationslast 30 patents

ROTARY CONNECTOR AND FIXING STRUCTURE OF ROTARY CONNECTOR

IMAGE FORMING APPARATUS

ROTARY CONNECTOR DEVICE

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

IMAGE FORMING DEVICE

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND CORRECTION DATA GENERATION METHOD

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND METHOD ADJUSTING IMAGE FORMING CONDITION

RECORDING MEDIA SMOOTHNESS DETECTOR AND IMAGE FORMING APPARATUS INC...

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

OPTICAL SENSOR AND IMAGE FORMING APPARATUS INCORPORATING SAME

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS CAPABLE OF EFFECTIVELY PREVENTING IMAGE DEN...

ROTATABLE CONNECTOR DEVICE

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

IMAGE FORMING APPARATUS CAPABLE OF REDUCING IMAGE DENSITY IRREGULARITY

IMAGE FORMING APPARATUS CAPABLE OF OPTIMALLY PERFORMING DENSITY FLU...

ROTATABLE CONNECTOR DEVICE

ROTATABLE CONNECTOR DEVICE

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS