Koichi Ohtaka

Person

Miyagi-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for driving optical deflecting device array, optical deflect...
- Patent number 8,014,058
- Issue date Sep 6, 2011
- Ricoh Company, Ltd.
- Seiichi Katoh
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Actuator, and actuator array
- Patent number 7,777,935
- Issue date Aug 17, 2010
- Ricoh Company, Ltd.
- Takeshi Nanjyo
- G02 - OPTICS
Information Patent Grant
Light deflector, light deflection array, optical system, image form...
- Patent number 7,607,786
- Issue date Oct 27, 2009
- Ricoh Company, Ltd.
- Takeshi Nanjyo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical deflecting device, optical deflecting device array, method...
- Patent number 7,480,090
- Issue date Jan 20, 2009
- Ricoh Company, Ltd.
- Seiichi Katoh
- G02 - OPTICS
Information Patent Grant
Light deflector, light deflection array, image forming apparatus, a...
- Patent number 7,417,778
- Issue date Aug 26, 2008
- Ricoh Company, Ltd.
- Takeshi Nanjo
- G02 - OPTICS
Information Patent Grant
Method for driving optical deflecting device array, optical deflect...
- Patent number 7,408,688
- Issue date Aug 5, 2008
- Ricoh Company, Ltd.
- Seiichi Katoh
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Optical deflection device and image projection display apparatus us...
- Patent number 7,349,145
- Issue date Mar 25, 2008
- Ricoh Company, Ltd.
- Seiichi Katoh
- G02 - OPTICS
Information Patent Grant
Optical system, color information displaying method, optical deflec...
- Patent number 7,345,823
- Issue date Mar 18, 2008
- Ricoh Company, Ltd.
- Takeshi Nanjo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical deflecting device, optical deflecting device manufacturing...
- Patent number 7,277,217
- Issue date Oct 2, 2007
- Ricoh Company, Ltd.
- Seiichi Katoh
- G02 - OPTICS
Information Patent Grant
Optical deflection device
- Patent number 7,167,290
- Issue date Jan 23, 2007
- Ricoh Company, Ltd.
- Seiichi Katoh
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR DRIVING OPTICAL DEFLECTING DEVICE ARRAY, OPTICAL DEFLECT...
- Publication number 20080278782
- Publication date Nov 13, 2008
- Seiichi Katoh
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
ACTUATOR, METHOD OF PRODUCING THE SAME, OPTICAL SYSTEM, AND IMAGE F...
- Publication number 20080018982
- Publication date Jan 24, 2008
- Takeshi Nanjyo
- G02 - OPTICS
Information Patent Application
OPTICAL DEFLECTING DEVICE, OPTICAL DEFLECTING DEVICE MANUFACTURING...
- Publication number 20070206268
- Publication date Sep 6, 2007
- Seiichi Katoh
- G02 - OPTICS
Information Patent Application
Optical deflecting device, optical deflecting device array, method...
- Publication number 20070091416
- Publication date Apr 26, 2007
- Seiichi Katoh
- G02 - OPTICS
Information Patent Application
Light deflector, light deflection array, optical system, image form...
- Publication number 20060239009
- Publication date Oct 26, 2006
- Takeshi Nanjyo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for driving optical deflecting device array, optical deflect...
- Publication number 20060109539
- Publication date May 25, 2006
- Seiichi Katoh
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Optical system, color information displaying method, optical deflec...
- Publication number 20060104597
- Publication date May 18, 2006
- Takeshi Nanjo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical deflection device and image projection display apparatus us...
- Publication number 20060103912
- Publication date May 18, 2006
- Seiichi Katoh
- G02 - OPTICS
Information Patent Application
Light deflector, light deflection array, image forming apparatus, a...
- Publication number 20050248862
- Publication date Nov 10, 2005
- Takeshi Nanjo
- G02 - OPTICS
Information Patent Application
Optical deflection device
- Publication number 20050169156
- Publication date Aug 4, 2005
- Seiichi Katoh
- G02 - OPTICS

Koichi Ohtaka

Person

Patents Grantslast 30 patents

Method for driving optical deflecting device array, optical deflect...

Actuator, and actuator array

Light deflector, light deflection array, optical system, image form...

Optical deflecting device, optical deflecting device array, method...

Light deflector, light deflection array, image forming apparatus, a...

Method for driving optical deflecting device array, optical deflect...

Optical deflection device and image projection display apparatus us...

Optical system, color information displaying method, optical deflec...

Optical deflecting device, optical deflecting device manufacturing...

Optical deflection device

Patents Applicationslast 30 patents

METHOD FOR DRIVING OPTICAL DEFLECTING DEVICE ARRAY, OPTICAL DEFLECT...

ACTUATOR, METHOD OF PRODUCING THE SAME, OPTICAL SYSTEM, AND IMAGE F...

OPTICAL DEFLECTING DEVICE, OPTICAL DEFLECTING DEVICE MANUFACTURING...

Optical deflecting device, optical deflecting device array, method...

Light deflector, light deflection array, optical system, image form...

Method for driving optical deflecting device array, optical deflect...

Optical system, color information displaying method, optical deflec...

Optical deflection device and image projection display apparatus us...

Light deflector, light deflection array, image forming apparatus, a...

Optical deflection device