Akihisa ITABASHI

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical scanning apparatus, an image formation apparatus, and a pha...
- Patent number 8,217,978
- Issue date Jul 10, 2012
- Ricoh Company, Ltd.
- Taku Amada
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Optical scanning device and image forming apparatus
- Patent number 7,936,494
- Issue date May 3, 2011
- Ricoh Company, Limited
- Akihisa Itabashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Laser scanning apparatus having a photodetector having first and se...
- Patent number 7,903,134
- Issue date Mar 8, 2011
- Ricoh Company, Ltd.
- Akihisa Itabashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical scanning device and image forming apparatus
- Patent number 7,826,116
- Issue date Nov 2, 2010
- Ricoh Company, Ltd.
- Akihisa Itabashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Optical scanning device, image forming apparatus and liquid crystal...
- Patent number 7,719,737
- Issue date May 18, 2010
- Ricoh Company, Ltd.
- Taku Amada
- G02 - OPTICS
Information Patent Grant
Optical scanning apparatus, image forming apparatus, and beam posit...
- Patent number 7,450,274
- Issue date Nov 11, 2008
- Ricoh Company, Ltd.
- Akihisa Itabashi
- G02 - OPTICS
Information Patent Grant
Multi-beam laser scanning device
- Patent number 7,075,563
- Issue date Jul 11, 2006
- Ricoh Company, Ltd.
- Akihisa Itabashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming apparatus for controlling image writing by adjusting...
- Patent number 7,050,080
- Issue date May 23, 2006
- Ricoh Company, Ltd.
- Hidetoshi Ema
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical scanning device
- Patent number 7,019,766
- Issue date Mar 28, 2006
- Ricoh Company, Ltd.
- Akihisa Itabashi
- G02 - OPTICS
Information Patent Grant
Optical scanning device and image forming apparatus
- Patent number 7,006,271
- Issue date Feb 28, 2006
- Ricoh Company, Ltd.
- Nobuaki Ono
- G02 - OPTICS
Information Patent Grant
Optical scanner and image formation apparatus
- Patent number 6,937,371
- Issue date Aug 30, 2005
- Ricoh Company, Ltd.
- Yoshinori Hayashi
- G02 - OPTICS
Information Patent Grant
Optical scan module, optical scanner, optical scan method, image ge...
- Patent number 6,932,271
- Issue date Aug 23, 2005
- Ricoh Company, Ltd.
- Tomohiro Nakajima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical scanning device, scanning optical system, scanning imaging...
- Patent number 6,847,474
- Issue date Jan 25, 2005
- Ricoh Company, Limited
- Akihisa Itabashi
- 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
Multi-beam scanning device, multi-beam scanning method, light sourc...
- Patent number 6,800,845
- Issue date Oct 5, 2004
- Ricoh Company, Ltd.
- Kohji Sakai
- G02 - OPTICS
Information Patent Grant
Method and apparatus for image forming capable of effectively gener...
- Patent number 6,791,596
- Issue date Sep 14, 2004
- Ricoh Company, Ltd.
- Yasuhiro Nihei
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical scanner and image formation apparatus
- Patent number 6,771,407
- Issue date Aug 3, 2004
- Ricoh Company, Ltd.
- Yoshinori Hayashi
- G02 - OPTICS
Information Patent Grant
Image forming lens, image forming lens unit, original document read...
- Patent number 6,747,818
- Issue date Jun 8, 2004
- Ricoh Company Ltd.
- Kazuyasu Ohashi
- G02 - OPTICS
Information Patent Grant
Image formation unit including stored performance information
- Patent number 6,707,480
- Issue date Mar 16, 2004
- Ricoh Company, Ltd.
- Minoru Ameyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Optical scanning device
- Patent number 6,700,687
- Issue date Mar 2, 2004
- Ricoh Company, Ltd.
- Akihisa Itabashi
- G02 - OPTICS
Information Patent Grant
Optical scanning device, scanning optical system, scanning imaging...
- Patent number 6,624,920
- Issue date Sep 23, 2003
- Ricoh Company, Ltd.
- Akihisa Itabashi
- G02 - OPTICS
Information Patent Grant
Multi-beam scanning device, multi-beam scanning method, light sourc...
- Patent number 6,596,985
- Issue date Jul 22, 2003
- Rioch Company, Ltd.
- Kohji Sakai
- G02 - OPTICS
Information Patent Grant
Light source unit for optical scanning apparatus used in image form...
- Patent number 6,469,772
- Issue date Oct 22, 2002
- Ricoh Company, Ltd.
- Akihisa Itabashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Optical scanning device and image forming apparatus having the same
- Patent number 6,429,956
- Issue date Aug 6, 2002
- Ricoh Company, Ltd.
- Akihisa Itabashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Multi-beam scanning apparatus
- Patent number 6,381,057
- Issue date Apr 30, 2002
- Ricoh Company, Ltd.
- Akihisa Itabashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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
Information Patent Grant
Optical scanner
- Patent number 5,648,864
- Issue date Jul 15, 1997
- Ricoh Company, Ltd.
- Akihisa Itabashi
- G02 - OPTICS
Information Patent Grant
Optical scanner
- Patent number 5,504,613
- Issue date Apr 2, 1996
- Ricoh Company, Ltd.
- Akihisa Itabashi
- G02 - OPTICS
Information Patent Grant
Optical scanner
- Patent number 5,475,522
- Issue date Dec 12, 1995
- Ricoh Company, Ltd.
- Akihisa Itabashi
- G02 - OPTICS
Information Patent Grant
Optical scanner
- Patent number 5,426,298
- Issue date Jun 20, 1995
- Ricoh Company, Ltd.
- Nobuo Sakuma
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Optical scanning apparatus, an image formation apparatus, and a pha...
- Publication number 20080204852
- Publication date Aug 28, 2008
- Taku Amada
- G02 - OPTICS
Information Patent Application
LASER SCANNING APPARATUS AND IMAGE FORMING APPARATUS
- Publication number 20080204846
- Publication date Aug 28, 2008
- Akihisa ITABASHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL SCANNING DEVICE, IMAGE FORMING APPARATUS AND LIQUID CRYSTAL...
- Publication number 20080170282
- Publication date Jul 17, 2008
- Taku Amada
- G02 - OPTICS
Information Patent Application
Optical scanning device and image forming apparatus
- Publication number 20070206256
- Publication date Sep 6, 2007
- Ricoh Company, Limited
- Akihisa Itabashi
- G02 - OPTICS
Information Patent Application
Optical scanning device and image forming apparatus
- Publication number 20070019269
- Publication date Jan 25, 2007
- Akihisa Itabashi
- G02 - OPTICS
Information Patent Application
Optical-element holding device, method of adjusting shape of optica...
- Publication number 20060132880
- Publication date Jun 22, 2006
- Taku Amada
- G02 - OPTICS
Information Patent Application
Optical scanning device, image forming apparatus and liquid crystal...
- Publication number 20050179971
- Publication date Aug 18, 2005
- Taku Amada
- 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 scanning apparatus, image forming apparatus, and beam posit...
- Publication number 20050024479
- Publication date Feb 3, 2005
- Akihisa Itabashi
- G02 - OPTICS
Information Patent Application
Optical scanner and image formation apparatus
- Publication number 20040233493
- Publication date Nov 25, 2004
- Yoshinori Hayashi
- G02 - OPTICS
Information Patent Application
Multi-beam laser scanning device
- Publication number 20040032483
- Publication date Feb 19, 2004
- Akihisa Itabashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical scanning device
- Publication number 20040017469
- Publication date Jan 29, 2004
- Akihisa Itabashi
- G02 - OPTICS
Information Patent Application
Multi-beam scanning device, multi-beam scanning method, light sourc...
- Publication number 20030209659
- Publication date Nov 13, 2003
- Kohji Sakai
- G02 - OPTICS
Information Patent Application
Optical scanning device, scanning optical system, scanning imaging...
- Publication number 20030206323
- Publication date Nov 6, 2003
- Akihisa Itabashi
- 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
Optical scanner and image formation apparatus
- Publication number 20030107788
- Publication date Jun 12, 2003
- Yoshinori Hayashi
- G02 - OPTICS
Information Patent Application
Method and apparatus for image forming capable of effectively gener...
- Publication number 20030025785
- Publication date Feb 6, 2003
- Yasuhiro Nihei
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Image formation unit and image formation apparatus
- Publication number 20020135655
- Publication date Sep 26, 2002
- Minoru Ameyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming lens, image forming lens unit, original document read...
- Publication number 20020101665
- Publication date Aug 1, 2002
- Kazuyasu Ohashi
- G02 - OPTICS
Information Patent Application
Image forming apparatus for controlling image writing by adjusting...
- Publication number 20020051137
- Publication date May 2, 2002
- Ricoh Company, Ltd.
- Hidetoshi Ema
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Optical scanning device and image forming apparatus having the same
- Publication number 20010050796
- Publication date Dec 13, 2001
- RICOH COMPANY, LTD.
- Akihisa Itabashi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Optical scan module, optical scanner, optical scan method, image ge...
- Publication number 20010035460
- Publication date Nov 1, 2001
- RICOH COMPANY, LIMITED
- Tomohiro Nakajima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Optical scanning device and image forming apparatus
- Publication number 20010035493
- Publication date Nov 1, 2001
- Ricoh Company, Ltd.
- Nobuaki Ono
- G02 - OPTICS
Information Patent Application
Optical scanning device, scanning optical system, scanning imaging...
- Publication number 20010032925
- Publication date Oct 25, 2001
- RICOH COMPANY, LIMITED
- Akihisa Itabashi
- G02 - OPTICS

Akihisa ITABASHI

Person

Patents Grantslast 30 patents

Optical scanning apparatus, an image formation apparatus, and a pha...

Optical scanning device and image forming apparatus

Laser scanning apparatus having a photodetector having first and se...

Optical scanning device and image forming apparatus

Optical scanning device, image forming apparatus and liquid crystal...

Optical scanning apparatus, image forming apparatus, and beam posit...

Multi-beam laser scanning device

Image forming apparatus for controlling image writing by adjusting...

Optical scanning device

Optical scanning device and image forming apparatus

Optical scanner and image formation apparatus

Optical scan module, optical scanner, optical scan method, image ge...

Optical scanning device, scanning optical system, scanning imaging...

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

Multi-beam scanning device, multi-beam scanning method, light sourc...

Method and apparatus for image forming capable of effectively gener...

Optical scanner and image formation apparatus

Image forming lens, image forming lens unit, original document read...

Image formation unit including stored performance information

Optical scanning device

Optical scanning device, scanning optical system, scanning imaging...

Multi-beam scanning device, multi-beam scanning method, light sourc...

Light source unit for optical scanning apparatus used in image form...

Optical scanning device and image forming apparatus having the same

Multi-beam scanning apparatus

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

Optical scanner

Optical scanner

Optical scanner

Optical scanner

Patents Applicationslast 30 patents

Optical scanning apparatus, an image formation apparatus, and a pha...

LASER SCANNING APPARATUS AND IMAGE FORMING APPARATUS

OPTICAL SCANNING DEVICE, IMAGE FORMING APPARATUS AND LIQUID CRYSTAL...

Optical scanning device and image forming apparatus

Optical scanning device and image forming apparatus

Optical-element holding device, method of adjusting shape of optica...

Optical scanning device, image forming apparatus and liquid crystal...

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

Optical scanning apparatus, image forming apparatus, and beam posit...

Optical scanner and image formation apparatus

Multi-beam laser scanning device

Optical scanning device

Multi-beam scanning device, multi-beam scanning method, light sourc...

Optical scanning device, scanning optical system, scanning imaging...

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

Optical scanner and image formation apparatus

Method and apparatus for image forming capable of effectively gener...

Image formation unit and image formation apparatus

Image forming lens, image forming lens unit, original document read...

Image forming apparatus for controlling image writing by adjusting...

Optical scanning device and image forming apparatus having the same

Optical scan module, optical scanner, optical scan method, image ge...

Optical scanning device and image forming apparatus

Optical scanning device, scanning optical system, scanning imaging...