Junshin Sakamoto

Person

Katsuta, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming device, position shift correction method, and recordi...
- Patent number 9,880,497
- Issue date Jan 30, 2018
- Ricoh Company, Ltd.
- Junshin Sakamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus, controller, and method of forming multicolor toner image
- Patent number 9,442,407
- Issue date Sep 13, 2016
- Ricoh Company, Ltd.
- Junshin Sakamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including a patch forming unit
- Patent number 9,026,017
- Issue date May 5, 2015
- Ricoh Company, Limited
- Junshin Sakamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Optical scanning apparatus
- Patent number 8,320,028
- Issue date Nov 27, 2012
- Ricoh Company, Ltd.
- Junshin Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Semiconductor laser device, light scanner, and image forming apparatus
- Patent number 7,542,496
- Issue date Jun 2, 2009
- Ricoh Company, Ltd.
- Hiroshi Inenaga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Multi-beam image forming apparatus
- Patent number 7,425,975
- Issue date Sep 16, 2008
- Ricoh Printing Systems, Ltd.
- Katsuhiro Ono
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Color image forming device having a temperature detector
- Patent number 7,343,110
- Issue date Mar 11, 2008
- Ricoh Printing Systems, Ltd.
- Junshin Sakamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic apparatus
- Patent number 7,245,841
- Issue date Jul 17, 2007
- Ricoh Printing Systems, Ltd.
- Shinichi Akatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Optical scanning apparatus using a plurality of laser beams
- Patent number 6,836,278
- Issue date Dec 28, 2004
- Hitachi Koki Co., Ltd.
- Susumu Saito
- G02 - OPTICS
Information Patent Grant
Two-dimensional beam writing position detecting device and image fo...
- Patent number 6,825,457
- Issue date Nov 30, 2004
- Hitachi Printing Solutions, Ltd.
- Junshin Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Polygonal mirror device
- Patent number 6,243,187
- Issue date Jun 5, 2001
- Hitachi Koki Co., Ltd.
- Hiroshi Inenaga
- G02 - OPTICS
Information Patent Grant
Rotary polygon mirror motor
- Patent number 5,903,078
- Issue date May 11, 1999
- Hitachi Koki Co., Ltd.
- Junshin Sakamoto
- G02 - OPTICS
Information Patent Grant
Rotary polygon mirror device
- Patent number 5,691,833
- Issue date Nov 25, 1997
- Hitachi Koki Co., Ltd.
- Junshin Sakamoto
- G02 - OPTICS
Information Patent Grant
Dynamic pressure bearing and rotary polygon mirror device with the...
- Patent number 5,434,695
- Issue date Jul 18, 1995
- Hitachi Koki Co., Ltd.
- Susumu Saito
- G02 - OPTICS
Information Patent Grant
Clutch type tightening apparatus for allowing free adjustment of ti...
- Patent number 4,836,349
- Issue date Jun 6, 1989
- Hitachi Koki Company, Ltd.
- Junshin Sakamoto
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Circuit arrangement for electrical tool with clutch
- Patent number 4,556,831
- Issue date Dec 3, 1985
- Hitachi Koki Company, Limited
- Junshin Sakamoto
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING DEVICE, POSITION SHIFT CORRECTION METHOD, AND RECORDI...
- Publication number 20170269516
- Publication date Sep 21, 2017
- RICOH COMPANY, LTD.
- Junshin Sakamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
APPARATUS, CONTROLLER, AND METHOD OF FORMING MULTICOLOR TONER IMAGE
- Publication number 20160139528
- Publication date May 19, 2016
- Junshin SAKAMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20120321356
- Publication date Dec 20, 2012
- Junshin SAKAMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Semiconductor Laser Device, Light Scanner, and Image Forming Apparatus
- Publication number 20080112729
- Publication date May 15, 2008
- Ricoh Printing Systems, Ltd.
- Hiroshi INENAGA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Optical scanning apparatus
- Publication number 20080068677
- Publication date Mar 20, 2008
- Ricoh Printing Systems, Ltd.
- Junshin Sakamoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Multi-beam image forming apparatus
- Publication number 20060139441
- Publication date Jun 29, 2006
- Ricoh Printing Systems, Ltd.
- Katsuhiro Ono
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Color image forming device
- Publication number 20060029407
- Publication date Feb 9, 2006
- Ricoh Printing Systems, Ltd.
- Junshin Sakamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic apparatus
- Publication number 20050105926
- Publication date May 19, 2005
- Hitachi Printing Solutions, Ltd.
- Shinichi Akatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Color image forming appartus
- Publication number 20040183890
- Publication date Sep 23, 2004
- Junshin Sakamoto
- G02 - OPTICS
Information Patent Application
Multiple beam scanning device
- Publication number 20040041087
- Publication date Mar 4, 2004
- Susumu Saito
- G02 - OPTICS
Information Patent Application
Two-dimensional beam writing position detecting device and image fo...
- Publication number 20020121593
- Publication date Sep 5, 2002
- Junshin Sakamoto
- G02 - OPTICS
Information Patent Application
Optical scanning apparatus
- Publication number 20010035999
- Publication date Nov 1, 2001
- Susumu Saito
- G02 - OPTICS

Junshin Sakamoto

Person

Patents Grantslast 30 patents

Image forming device, position shift correction method, and recordi...

Apparatus, controller, and method of forming multicolor toner image

Image forming apparatus including a patch forming unit

Optical scanning apparatus

Semiconductor laser device, light scanner, and image forming apparatus

Multi-beam image forming apparatus

Color image forming device having a temperature detector

Electrophotographic apparatus

Optical scanning apparatus using a plurality of laser beams

Two-dimensional beam writing position detecting device and image fo...

Polygonal mirror device

Rotary polygon mirror motor

Rotary polygon mirror device

Dynamic pressure bearing and rotary polygon mirror device with the...

Clutch type tightening apparatus for allowing free adjustment of ti...

Circuit arrangement for electrical tool with clutch

Patents Applicationslast 30 patents

IMAGE FORMING DEVICE, POSITION SHIFT CORRECTION METHOD, AND RECORDI...

APPARATUS, CONTROLLER, AND METHOD OF FORMING MULTICOLOR TONER IMAGE

IMAGE FORMING APPARATUS

Semiconductor Laser Device, Light Scanner, and Image Forming Apparatus

Optical scanning apparatus

Multi-beam image forming apparatus

Color image forming device

Electrophotographic apparatus

Color image forming appartus

Multiple beam scanning device

Two-dimensional beam writing position detecting device and image fo...

Optical scanning apparatus