Tomoya Ohsugi

Person

Ohta-ku, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical scanning device and image forming apparatus
- Patent number 8,169,458
- Issue date May 1, 2012
- Ricoh Company, Ltd.
- Yukio Itami
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Optical scanner and image forming apparatus
- Patent number 8,102,411
- Issue date Jan 24, 2012
- Ricoh Company, Ltd.
- Nobuyuki Arai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Optical scanning device and image forming apparatus
- Patent number 7,817,177
- Issue date Oct 19, 2010
- Ricoh Company, Limited
- Yoshinori Hayashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Optical scanner and image forming apparatus
- Patent number 7,800,804
- Issue date Sep 21, 2010
- Ricoh Company, Ltd.
- Tomoya Ohsugi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Optical scanning device and image forming apparatus
- Patent number 7,782,352
- Issue date Aug 24, 2010
- Ricoh Company, Ltd.
- Tomoya Ohsugi
- G02 - OPTICS
Information Patent Grant
Optical scanner and image formation apparatus
- Patent number 7,411,712
- Issue date Aug 12, 2008
- Ricoh Company, Limited
- Tomohiro Nakajima
- G02 - OPTICS
Information Patent Grant
Light source and light beam scanning unit
- Patent number 7,295,225
- Issue date Nov 13, 2007
- Ricoh Company, Ltd.
- Tomoya Ohsugi
- G02 - OPTICS
Information Patent Grant
Method and apparatus for multi-beam optical scanning capable of eff...
- Patent number 6,839,157
- Issue date Jan 4, 2005
- Ricoh Company, Ltd.
- Nobuaki Ono
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Density unevenness suppressing image forming apparatus and method
- Patent number 6,686,946
- Issue date Feb 3, 2004
- Ricoh Company, Ltd.
- Koji Masuda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical scanning apparatus and image forming apparatus having defec...
- Patent number 6,376,837
- Issue date Apr 23, 2002
- Ricoh Company, Ltd.
- Akihisa Itabashi
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

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
OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20100265310
- Publication date Oct 21, 2010
- Tomoya Ohsugi
- G02 - OPTICS
Information Patent Application
OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20100091083
- Publication date Apr 15, 2010
- Yukio Itami
- G02 - OPTICS
Information Patent Application
OPTICAL SCANNER AND IMAGE FORMING APPARATUS
- Publication number 20080219601
- Publication date Sep 11, 2008
- Nobuyuki Arai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Optical scanner and image forming apparatus
- Publication number 20070216966
- Publication date Sep 20, 2007
- Tomoya Ohsugi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20060284968
- Publication date Dec 21, 2006
- Yoshinori Hayashi
- G02 - OPTICS
Information Patent Application
Optical scanning device and image forming apparatus
- Publication number 20060187513
- Publication date Aug 24, 2006
- Tomoya Ohsugi
- G02 - OPTICS
Information Patent Application
Method and apparatus for multi-beam optical scanning capable of eff...
- Publication number 20050105156
- Publication date May 19, 2005
- Nobuaki Ono
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical scanner and image formation apparatus
- Publication number 20040184127
- Publication date Sep 23, 2004
- Tomohiro Nakajima
- G02 - OPTICS
Information Patent Application
Light source and light beam scanning unit
- Publication number 20040125192
- Publication date Jul 1, 2004
- Tomoya Ohsugi
- G02 - OPTICS
Information Patent Application
Method and apparatus for multi-beam optical scanning capable of eff...
- Publication number 20030146375
- Publication date Aug 7, 2003
- Nobuaki Ono
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Density unevenness suppressing image forming apparatus and method
- Publication number 20020051052
- Publication date May 2, 2002
- Koji Masuda
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Tomoya Ohsugi

Person

Patents Grantslast 30 patents

Optical scanning device and image forming apparatus

Optical scanner and image forming apparatus

Optical scanning device and image forming apparatus

Optical scanner and image forming apparatus

Optical scanning device and image forming apparatus

Optical scanner and image formation apparatus

Light source and light beam scanning unit

Method and apparatus for multi-beam optical scanning capable of eff...

Density unevenness suppressing image forming apparatus and method

Optical scanning apparatus and image forming apparatus having defec...

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS

OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS

OPTICAL SCANNER AND IMAGE FORMING APPARATUS

Optical scanner and image forming apparatus

OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS

Optical scanning device and image forming apparatus

Method and apparatus for multi-beam optical scanning capable of eff...

Optical scanner and image formation apparatus

Light source and light beam scanning unit

Method and apparatus for multi-beam optical scanning capable of eff...

Density unevenness suppressing image forming apparatus and method