Tetsuya MUTO

Person

Kawasaki-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus for correcting density unevenness
- Patent number 10,620,578
- Issue date Apr 14, 2020
- Ricoh Compnay, Ltd.
- Kohhei Sakurada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming method
- Patent number 10,061,226
- Issue date Aug 28, 2018
- Ricoh Company, Ltd.
- Kazuaki Kamihara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and method for calculating a toner degradat...
- Patent number 9,989,876
- Issue date Jun 5, 2018
- Ricoh Company, Ltd.
- Mutsuki Morinaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having an optical sensor for converting a t...
- Patent number 9,565,319
- Issue date Feb 7, 2017
- Ricoh Company, Ltd.
- Tetsuya Muto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus that switches transfer bias based on detect...
- Patent number 9,535,376
- Issue date Jan 3, 2017
- Ricoh Company, Ltd.
- Keita Sone
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner pattern density correction in an image forming apparatus
- Patent number 9,436,135
- Issue date Sep 6, 2016
- Ricoh Company, Ltd.
- Keita Sone
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer conveyance device, image forming apparatus, and developer...
- Patent number 9,229,361
- Issue date Jan 5, 2016
- Ricoh Company, Ltd.
- Junichi Matsumoto
- 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 8,983,320
- Issue date Mar 17, 2015
- Ricoh Company, Ltd.
- Shingo Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner supplying device and image forming apparatus using same
- Patent number 8,879,963
- Issue date Nov 4, 2014
- Ricoh Company, Limited
- Yushi Hirayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,693,902
- Issue date Apr 8, 2014
- Ricoh Company, Limited
- Naoto Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a first and second toner containers...
- Patent number 8,311,422
- Issue date Nov 13, 2012
- Ricoh Company, Limited
- Yushi Hirayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image-density control method
- Patent number 8,233,813
- Issue date Jul 31, 2012
- Ricoh Company, Limited
- Akira Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge including developing unit and incorporated in ima...
- Patent number 8,145,100
- Issue date Mar 27, 2012
- Ricoh Company, Ltd.
- Yushi Hirayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image density control method
- Patent number 8,045,874
- Issue date Oct 25, 2011
- Ricoh Company Limited
- Akira Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer unit and image forming apparatus using the unit
- Patent number 7,813,662
- Issue date Oct 12, 2010
- Ricoh Company Limited
- Tetsuya Muto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20190163108
- Publication date May 30, 2019
- RICOH COMPANY, LTD.
- Kohhei SAKURADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20170315471
- Publication date Nov 2, 2017
- Kazuaki KAMIHARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20170199480
- Publication date Jul 13, 2017
- Mutsuki MORINAGA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160246220
- Publication date Aug 25, 2016
- Keita SONE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20160112580
- Publication date Apr 21, 2016
- RICOH COMPANY, LTD.
- Tetsuya MUTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20150362868
- Publication date Dec 17, 2015
- RICOH COMPANY, LTD.
- Keita Sone
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20150316885
- Publication date Nov 5, 2015
- Yuuichiroh Uematsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CONVEYANCE DEVICE, IMAGE FORMING APPARATUS, AND DEVELOPER...
- Publication number 20150055966
- Publication date Feb 26, 2015
- RICOH COMPANY, LTD.
- Junichi MATSUMOTO
- 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
IMAGE FORMING APPARATUS
- Publication number 20120155899
- Publication date Jun 21, 2012
- Naoto WATANABE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER SUPPLYING DEVICE AND IMAGE FORMING APPARATUS USING SAME
- Publication number 20110110689
- Publication date May 12, 2011
- Yushi HIRAYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20100092188
- Publication date Apr 15, 2010
- Yushi HIRAYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE-DENSITY CONTROL METHOD
- Publication number 20090324267
- Publication date Dec 31, 2009
- Akira YOSHIDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE DENSITY CONTROL METHOD
- Publication number 20090202263
- Publication date Aug 13, 2009
- Akira YOSHIDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE INCLUDING DEVELOPING UNIT AND INCORPORATED IN IMA...
- Publication number 20090190960
- Publication date Jul 30, 2009
- Yushi Hirayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TRANSFER UNIT AND IMAGE FORMING APPARATUS USING THE UNIT
- Publication number 20080279589
- Publication date Nov 13, 2008
- Tetsuya MUTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Tetsuya MUTO

Person

Patents Grantslast 30 patents

Image forming apparatus for correcting density unevenness

Image forming apparatus and image forming method

Image forming apparatus and method for calculating a toner degradat...

Image forming apparatus having an optical sensor for converting a t...

Image forming apparatus that switches transfer bias based on detect...

Toner pattern density correction in an image forming apparatus

Developer conveyance device, image forming apparatus, and developer...

Image forming apparatus and image forming method

Image forming apparatus

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

Image forming apparatus

Toner supplying device and image forming apparatus using same

Image forming apparatus

Image forming apparatus having a first and second toner containers...

Image forming apparatus and image-density control method

Process cartridge including developing unit and incorporated in ima...

Image forming apparatus and image density control method

Transfer unit and image forming apparatus using the unit

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

DEVELOPER CONVEYANCE DEVICE, IMAGE FORMING APPARATUS, AND DEVELOPER...

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

IMAGE FORMING APPARATUS

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

IMAGE FORMING APPARATUS

TONER SUPPLYING DEVICE AND IMAGE FORMING APPARATUS USING SAME

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND IMAGE-DENSITY CONTROL METHOD

IMAGE FORMING APPARATUS AND IMAGE DENSITY CONTROL METHOD

PROCESS CARTRIDGE INCLUDING DEVELOPING UNIT AND INCORPORATED IN IMA...

TRANSFER UNIT AND IMAGE FORMING APPARATUS USING THE UNIT