Mitsumi Fujii

Person

Sendai-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Actuator, protective cover for actuator, actuator manufacturing met...
- Patent number 8,830,551
- Issue date Sep 9, 2014
- Ricoh Company, Ltd.
- Tomofumi Kitazawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Surface-emission laser array, optical scanning apparatus and image...
- Patent number 8,830,287
- Issue date Sep 9, 2014
- Ricoh Company, Ltd.
- Shunichi Sato
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Surface-emission laser array, optical scanning apparatus and image...
- Patent number 8,508,567
- Issue date Aug 13, 2013
- Ricoh Company, Ltd.
- Shunichi Sato
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical scanner and image forming apparatus
- Patent number 8,373,916
- Issue date Feb 12, 2013
- Ricoh Company, Ltd.
- Mitsumi Fujii
- G02 - OPTICS
Information Patent Grant
Optical deflector, optical scanner, image forming apparatus, and im...
- Patent number 8,174,750
- Issue date May 8, 2012
- Ricoh Company, Limited
- Goichi Akanuma
- G02 - OPTICS
Information Patent Grant
Surface-emission laser array, optical scanning apparatus apparatus...
- Patent number 8,089,498
- Issue date Jan 3, 2012
- Ricoh Company, Ltd.
- Shunichi Sato
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical scanning device and image forming apparatus using the same
- Patent number 8,054,327
- Issue date Nov 8, 2011
- Ricoh Company, Ltd.
- Yukito Satoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical scanning device and image forming apparatus using the same
- Patent number 7,593,029
- Issue date Sep 22, 2009
- Ricoh Company, Ltd.
- Yukito Satoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Deflector mirror with regions of different flexural rigidity
- Patent number 7,529,011
- Issue date May 5, 2009
- Ricoh Company, Ltd.
- Mitsumi Fujii
- G02 - OPTICS
Information Patent Grant
Vibration mirror, optical scanning device, and image forming using...
- Patent number 7,417,780
- Issue date Aug 26, 2008
- Ricoh Company, Ltd.
- Mitsumi Fujii
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Liquid drop jet head, ink cartridge and ink jet recording apparatus
- Patent number 7,364,253
- Issue date Apr 29, 2008
- Ricoh Company, Ltd.
- Kenichiro Hashimoto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Vibration mirror, optical scanning device, and image forming using...
- Patent number 7,221,493
- Issue date May 22, 2007
- Ricoh Company, Ltd.
- Mitsumi Fujii
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical scanning device for reducing a dot position displacement at...
- Patent number 7,068,296
- Issue date Jun 27, 2006
- Ricoh Company, Ltd.
- Yoshinori Hayashi
- G02 - OPTICS
Information Patent Grant
Optical scanning apparatus, optical writing apparatus, image formin...
- Patent number 7,031,040
- Issue date Apr 18, 2006
- Ricoh Company, Ltd.
- Mitsumi Fujii
- G02 - OPTICS
Information Patent Grant
Vibration mirror, optical scanning device, and image forming using...
- Patent number 6,972,883
- Issue date Dec 6, 2005
- Ricoh Company, Ltd.
- Mitsumi Fujii
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Liquid drop jet head, ink cartridge and ink jet recording apparatus
- Patent number 6,913,348
- Issue date Jul 5, 2005
- Ricoh Company, Ltd.
- Kenichiro Hashimoto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid drop jet head, ink cartridge and ink jet recording apparatus
- Patent number 6,682,185
- Issue date Jan 27, 2004
- Ricoh Company, Ltd.
- Kenichiro Hashimoto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method and apparatus for preventing nozzle clogging in ink jet prin...
- Patent number 6,352,333
- Issue date Mar 5, 2002
- Ricoh Company Ltd.
- Shuzo Matsumoto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink jet printing apparatus
- Patent number 6,331,052
- Issue date Dec 18, 2001
- Ricoh Company, Ltd.
- Taeko Murai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
SURFACE-EMISSION LASER ARRAY, OPTICAL SCANNING APPARATUS AND IMAGE...
- Publication number 20130286150
- Publication date Oct 31, 2013
- RICOH COMPANY, LTD.
- Shunichi Sato
- B82 - NANO-TECHNOLOGY
Information Patent Application
ACTUATOR, PROTECTIVE COVER FOR ACTUATOR, ACTUATOR MANUFACTURING MET...
- Publication number 20120120470
- Publication date May 17, 2012
- Tomofumi KITAZAWA
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Application
SURFACE-EMISSION LASER ARRAY, OPTICAL SCANNING APPARATUS AND IMAGE...
- Publication number 20120069416
- Publication date Mar 22, 2012
- RICOH COMPANY, LTD.
- Shunichi Sato
- G02 - OPTICS
Information Patent Application
OPTICAL DEFLECTOR, OPTICAL SCANNER, IMAGE FORMING APPARATUS, AND IM...
- Publication number 20100309536
- Publication date Dec 9, 2010
- Goichi AKANUMA
- G02 - OPTICS
Information Patent Application
OPTICAL SCANNER AND IMAGE FORMING APPARATUS
- Publication number 20100232833
- Publication date Sep 16, 2010
- Mitsumi Fujii
- G02 - OPTICS
Information Patent Application
SURFACE-EMISSION LASER ARRAY, OPTICAL SCANNING APPARATUS AND IMAGE...
- Publication number 20100060712
- Publication date Mar 11, 2010
- RICOH COMPANY, LTD.
- Shunichi Sato
- G02 - OPTICS
Information Patent Application
OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS USING THE SAME
- Publication number 20090290205
- Publication date Nov 26, 2009
- Yukito SATOH
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical scanning apparatus, optical writing apparatus, image formin...
- Publication number 20060164710
- Publication date Jul 27, 2006
- Mitsumi Fujii
- G02 - OPTICS
Information Patent Application
Vibration mirror, optical scanning device, and image forming using...
- Publication number 20060012844
- Publication date Jan 19, 2006
- Mitsumi Fujii
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Deflector mirror, optical scanning device, and image forming apparatus
- Publication number 20050243396
- Publication date Nov 3, 2005
- Mitsumi Fujii
- G02 - OPTICS
Information Patent Application
Liquid drop jet head, ink cartridge and ink jet recording apparatus
- Publication number 20050219321
- Publication date Oct 6, 2005
- Kenichiro Hashimoto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Vibration mirror, optical scanning device, and image forming using...
- Publication number 20050046917
- Publication date Mar 3, 2005
- Mitsumi Fujii
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Optical scanning apparatus, optical writing apparatus, image formin...
- Publication number 20040263937
- Publication date Dec 30, 2004
- Mitsumi Fujii
- G02 - OPTICS
Information Patent Application
Liquid drop jet head, ink cartridge and ink jet recording apparatus
- Publication number 20040104985
- Publication date Jun 3, 2004
- Kenichiro Hashimoto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Vibration mirror, optical scanning device, and image forming using...
- Publication number 20030227538
- Publication date Dec 11, 2003
- Mitsumi Fujii
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Optical scanning device for reducing a dot position displacement at...
- Publication number 20030072066
- Publication date Apr 17, 2003
- Yoshinori Hayashi
- G02 - OPTICS
Information Patent Application
Optical scanning device and image forming apparatus using the same
- Publication number 20030053156
- Publication date Mar 20, 2003
- Yukito Satoh
- G02 - OPTICS
Information Patent Application
Liquid drop jet head, ink cartridge and ink jet recording apparatus
- Publication number 20020175980
- Publication date Nov 28, 2002
- Kenichiro Hashimoto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Mitsumi Fujii

Person

Patents Grantslast 30 patents

Actuator, protective cover for actuator, actuator manufacturing met...

Surface-emission laser array, optical scanning apparatus and image...

Surface-emission laser array, optical scanning apparatus and image...

Optical scanner and image forming apparatus

Optical deflector, optical scanner, image forming apparatus, and im...

Surface-emission laser array, optical scanning apparatus apparatus...

Optical scanning device and image forming apparatus using the same

Optical scanning device and image forming apparatus using the same

Deflector mirror with regions of different flexural rigidity

Vibration mirror, optical scanning device, and image forming using...

Liquid drop jet head, ink cartridge and ink jet recording apparatus

Vibration mirror, optical scanning device, and image forming using...

Optical scanning device for reducing a dot position displacement at...

Optical scanning apparatus, optical writing apparatus, image formin...

Vibration mirror, optical scanning device, and image forming using...

Liquid drop jet head, ink cartridge and ink jet recording apparatus

Liquid drop jet head, ink cartridge and ink jet recording apparatus

Method and apparatus for preventing nozzle clogging in ink jet prin...

Ink jet printing apparatus

Patents Applicationslast 30 patents

SURFACE-EMISSION LASER ARRAY, OPTICAL SCANNING APPARATUS AND IMAGE...

ACTUATOR, PROTECTIVE COVER FOR ACTUATOR, ACTUATOR MANUFACTURING MET...

SURFACE-EMISSION LASER ARRAY, OPTICAL SCANNING APPARATUS AND IMAGE...

OPTICAL DEFLECTOR, OPTICAL SCANNER, IMAGE FORMING APPARATUS, AND IM...

OPTICAL SCANNER AND IMAGE FORMING APPARATUS

SURFACE-EMISSION LASER ARRAY, OPTICAL SCANNING APPARATUS AND IMAGE...

OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS USING THE SAME

Optical scanning apparatus, optical writing apparatus, image formin...

Vibration mirror, optical scanning device, and image forming using...

Deflector mirror, optical scanning device, and image forming apparatus

Liquid drop jet head, ink cartridge and ink jet recording apparatus

Vibration mirror, optical scanning device, and image forming using...

Optical scanning apparatus, optical writing apparatus, image formin...

Liquid drop jet head, ink cartridge and ink jet recording apparatus

Vibration mirror, optical scanning device, and image forming using...

Optical scanning device for reducing a dot position displacement at...

Optical scanning device and image forming apparatus using the same

Liquid drop jet head, ink cartridge and ink jet recording apparatus