Toshiaki TOKITA

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Light guide, virtual image display device, and light guide unit
- Patent number 10,241,333
- Issue date Mar 26, 2019
- Ricoh Company, Ltd.
- Naoki Nakamura
- G02 - OPTICS
Information Patent Grant
Optical scanning apparatus and image forming device
- Patent number 9,925,798
- Issue date Mar 27, 2018
- Ricoh Company, Ltd.
- Naoto Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Optical scanning apparatus and image forming device
- Patent number 9,625,711
- Issue date Apr 18, 2017
- Ricoh Company, Ltd.
- Naoto Watanabe
- G02 - OPTICS
Information Patent Grant
Optical scanning device and image forming apparatus in which a plur...
- Patent number 8,928,716
- Issue date Jan 6, 2015
- Ricoh Company, Limited
- Tadashi Nakamura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Optical scanning device and image forming apparatus
- Patent number 8,922,863
- Issue date Dec 30, 2014
- Ricoh Company, Ltd.
- Toshiaki Tokita
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Optical scanning device and image forming apparatus including a plu...
- Patent number 8,848,013
- Issue date Sep 30, 2014
- Ricoh Company, Limited
- Kenichiroh Saisho
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Optical scanning device and image forming apparatus
- Patent number 8,848,009
- Issue date Sep 30, 2014
- Ricoh Company, Ltd.
- Naoto Watanabe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Exposure device and image forming apparatus
- Patent number 8,786,658
- Issue date Jul 22, 2014
- Ricoh Company, Ltd.
- Nobuaki Kubo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Optical scanning device and image forming device
- Patent number 8,559,053
- Issue date Oct 15, 2013
- Ricoh Company, Limited
- Kenichiroh Saisho
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Polarization-separation device, optical scanning apparatus, and ima...
- Patent number 8,531,766
- Issue date Sep 10, 2013
- Ricoh Company, Limited
- Toshiaki Tokita
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Light scanning device, and image forming apparatus having the same
- Patent number 8,456,726
- Issue date Jun 4, 2013
- Ricoh Company, Ltd.
- Naoto Watanabe
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Optical scanning device and image forming apparatus
- Patent number 8,368,736
- Issue date Feb 5, 2013
- Ricoh Company, Limited
- Kenichiro Saisho
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Polarization splitting device, method of manufacturing polarization...
- Patent number 8,351,118
- Issue date Jan 8, 2013
- Ricoh Company, Ltd.
- Toshiaki Tokita
- G02 - OPTICS
Information Patent Grant
Intermediate image formation optical system, image formation device...
- Patent number 8,162,485
- Issue date Apr 24, 2012
- Ricoh Company, Ltd.
- Atsushi Takaura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Liquid crystal element, optical path deflecting element, and image...
- Patent number 8,158,020
- Issue date Apr 17, 2012
- Ricoh Company, Ltd.
- Yohei Takano
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Electric field generating device comprising an electric field gener...
- Patent number 7,929,071
- Issue date Apr 19, 2011
- Ricoh Company, Ltd.
- Yukiko Hirano
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Optical path switching device, optical scanning device, and image f...
- Patent number 7,889,224
- Issue date Feb 15, 2011
- Ricoh Company, Ltd.
- Toshimichi Hagiya
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image display device and image projection device
- Patent number 7,857,458
- Issue date Dec 28, 2010
- Ricoh Company, Ltd.
- Kazuhiro Fujita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processing apparatus, image display apparatus, image processi...
- Patent number 7,787,001
- Issue date Aug 31, 2010
- Ricoh Company, Limited
- Kenji Namie
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image display apparatus and projection optical system
- Patent number 7,753,531
- Issue date Jul 13, 2010
- Ricoh Company, Ltd.
- Kazuhiro Fujita
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Image display apparatus and alternative current drive method
- Patent number 7,733,317
- Issue date Jun 8, 2010
- Ricoh Company, Ltd.
- Toshiharu Murai
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Light path shift device and image display device
- Patent number 7,564,508
- Issue date Jul 21, 2009
- Ricoh Company, Ltd.
- Hiroyuki Sugimoto
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Optical device, display device, and three-dimension image display d...
- Patent number 7,495,831
- Issue date Feb 24, 2009
- Ricoh Company, Ltd.
- Toshiaki Tokita
- G02 - OPTICS
Information Patent Grant
Optical axis deflecting method, optical axis deflecting element, op...
- Patent number 7,489,383
- Issue date Feb 10, 2009
- Ricoh Company, Ltd.
- Hiroyuki Sugimoto
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Light deflection element, light deflection device and image display...
- Patent number 7,345,733
- Issue date Mar 18, 2008
- Ricoh Comapny, Ltd.
- Hiroyuki Sugimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical deflection device and optical deflection method that contro...
- Patent number 7,310,181
- Issue date Dec 18, 2007
- Ricoh Company, Ltd.
- Yumi Matsuki
- G02 - OPTICS
Information Patent Grant
Imaging unit, optical write unit, optical read unit and image formi...
- Patent number 7,304,705
- Issue date Dec 4, 2007
- Ricoh Company, Ltd.
- Hiroyuki Sugimoto
- G02 - OPTICS
Information Patent Grant
Method and apparatus for displaying three-dimensional stereo image...
- Patent number 7,245,430
- Issue date Jul 17, 2007
- Ricoh Company, Ltd.
- Masanori Kobayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light deflection element, light deflection device and image display...
- Patent number 7,057,700
- Issue date Jun 6, 2006
- Ricoh Company, Ltd.
- Hiroyuki Sugimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical deflection device and optical deflection method that contro...
- Patent number 7,038,835
- Issue date May 2, 2006
- Ricoh Company, Ltd.
- Yumi Matsuki
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING SYSTEM, AN...
- Publication number 20240321453
- Publication date Sep 26, 2024
- Kazuki FUNAHASHI
Information Patent Application
HEALTH STATUS MANAGEMENT SYSTEM, INFORMATION PROCESSING APPARATUS,...
- Publication number 20240164673
- Publication date May 23, 2024
- RICOH COMPANY, LTD.
- Kazuki Funahashi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
SPECTROSCOPE AND ANALYSIS SYSTEM
- Publication number 20230304922
- Publication date Sep 28, 2023
- Tetsuroh TATEBE
- G01 - MEASURING TESTING
Information Patent Application
LIGHT GUIDE, VIRTUAL IMAGE DISPLAY DEVICE, AND LIGHT GUIDE UNIT
- Publication number 20170192239
- Publication date Jul 6, 2017
- Naoki NAKAMURA
- G02 - OPTICS
Information Patent Application
OPTICAL SCANNING APPARATUS AND IMAGE FORMING DEVICE
- Publication number 20170160667
- Publication date Jun 8, 2017
- Naoto WATANABE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
INPUT-OPERATION DETECTION DEVICE, IMAGE DISPLAY APPARATUS, PROJECTO...
- Publication number 20150301690
- Publication date Oct 22, 2015
- Koji MASUDA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ELIGIBLE OPERATOR DETERMINATION DEVICE AND ELIGIBLE OPERATOR DETERM...
- Publication number 20150092994
- Publication date Apr 2, 2015
- RICOH COMPANY, LTD.
- Koji MASUDA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
EXPOSURE DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20130250029
- Publication date Sep 26, 2013
- Nobuaki KUBO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20130201536
- Publication date Aug 8, 2013
- Tadashi NAKAMURA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
OPTICAL SCANNING APPARATUS AND IMAGE FORMING DEVICE
- Publication number 20130155166
- Publication date Jun 20, 2013
- Naoto WATANABE
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20130076851
- Publication date Mar 28, 2013
- Naoto WATANABE
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20130070323
- Publication date Mar 21, 2013
- Toshiaki TOKITA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20110316959
- Publication date Dec 29, 2011
- Kenichiroh SAISHO
- G02 - OPTICS
Information Patent Application
OPTICAL SCANNING DEVICE AND IMAGE FORMING DEVICE
- Publication number 20110235132
- Publication date Sep 29, 2011
- Kenichiroh Saisho
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LIGHT SCANNING DEVICE, AND IMAGE FORMING APPARATUS HAVING THE SAME
- Publication number 20110216386
- Publication date Sep 8, 2011
- Naoto WATANABE
- G02 - OPTICS
Information Patent Application
POLARIZATION-SEPARATION DEVICE, OPTICAL SCANNING APPARATUS, AND IMA...
- Publication number 20110002025
- Publication date Jan 6, 2011
- Toshiaki Tokita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20100328417
- Publication date Dec 30, 2010
- Kenichiro Saisho
- G02 - OPTICS
Information Patent Application
POLARIZATION SPLITTING DEVICE, METHOD OF MANUFACTURING POLARIZATION...
- Publication number 20100118366
- Publication date May 13, 2010
- Toshiaki TOKITA
- G02 - OPTICS
Information Patent Application
OPTICAL PATH SWITCHING DEVICE, OPTICAL SCANNING DEVICE, AND IMAGE F...
- Publication number 20090080907
- Publication date Mar 26, 2009
- Toshimichi Hagiya
- G02 - OPTICS
Information Patent Application
Liquid Crystal Element, Optical Path Deflecting Element, and Image...
- Publication number 20080204608
- Publication date Aug 28, 2008
- Yohei Takano
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Image Display Device and Image Projection Device
- Publication number 20080151356
- Publication date Jun 26, 2008
- RICOH COMPANY, LTD.
- Kazuhiro Fujita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image Processing Apparatus, Image Display Apparatus, Image Processi...
- Publication number 20080030527
- Publication date Feb 7, 2008
- Kenji Namie
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Image Display Apparatus and Projection Optical System
- Publication number 20070268541
- Publication date Nov 22, 2007
- Kazuhiro Fujita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ELECTRIC FIELD GENERATING DEVICE, LIGHT DEFLECTING DEVICE, AND IMAG...
- Publication number 20070216316
- Publication date Sep 20, 2007
- Yukiko HIRANO
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Optical axis deflecting method, optical axis deflecting element, op...
- Publication number 20060250543
- Publication date Nov 9, 2006
- Hiroyuki Sugimoto
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Light path shift device and image display device
- Publication number 20060209295
- Publication date Sep 21, 2006
- Hiroyuki Sugimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Intermediate image formation optical system, image formation device...
- Publication number 20060192903
- Publication date Aug 31, 2006
- Atsushi Takaura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Light deflection element, light deflection device and image display...
- Publication number 20060181671
- Publication date Aug 17, 2006
- Hiroyuki Sugimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical deflection device and optical deflection method that contro...
- Publication number 20060119927
- Publication date Jun 8, 2006
- Yumi Matsuki
- G02 - OPTICS
Information Patent Application
Optical device, display device, and three-dimension image display d...
- Publication number 20060039068
- Publication date Feb 23, 2006
- Toshiaki Tokita
- G02 - OPTICS

Toshiaki TOKITA

Person

Patents Grantslast 30 patents

Light guide, virtual image display device, and light guide unit

Optical scanning apparatus and image forming device

Optical scanning apparatus and image forming device

Optical scanning device and image forming apparatus in which a plur...

Optical scanning device and image forming apparatus

Optical scanning device and image forming apparatus including a plu...

Optical scanning device and image forming apparatus

Exposure device and image forming apparatus

Optical scanning device and image forming device

Polarization-separation device, optical scanning apparatus, and ima...

Light scanning device, and image forming apparatus having the same

Optical scanning device and image forming apparatus

Polarization splitting device, method of manufacturing polarization...

Intermediate image formation optical system, image formation device...

Liquid crystal element, optical path deflecting element, and image...

Electric field generating device comprising an electric field gener...

Optical path switching device, optical scanning device, and image f...

Image display device and image projection device

Image processing apparatus, image display apparatus, image processi...

Image display apparatus and projection optical system

Image display apparatus and alternative current drive method

Light path shift device and image display device

Optical device, display device, and three-dimension image display d...

Optical axis deflecting method, optical axis deflecting element, op...

Light deflection element, light deflection device and image display...

Optical deflection device and optical deflection method that contro...

Imaging unit, optical write unit, optical read unit and image formi...

Method and apparatus for displaying three-dimensional stereo image...

Light deflection element, light deflection device and image display...

Optical deflection device and optical deflection method that contro...

Patents Applicationslast 30 patents

INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING SYSTEM, AN...

HEALTH STATUS MANAGEMENT SYSTEM, INFORMATION PROCESSING APPARATUS,...

SPECTROSCOPE AND ANALYSIS SYSTEM

LIGHT GUIDE, VIRTUAL IMAGE DISPLAY DEVICE, AND LIGHT GUIDE UNIT

OPTICAL SCANNING APPARATUS AND IMAGE FORMING DEVICE

INPUT-OPERATION DETECTION DEVICE, IMAGE DISPLAY APPARATUS, PROJECTO...

ELIGIBLE OPERATOR DETERMINATION DEVICE AND ELIGIBLE OPERATOR DETERM...

EXPOSURE DEVICE AND IMAGE FORMING APPARATUS

OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS

OPTICAL SCANNING APPARATUS AND IMAGE FORMING DEVICE

OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS

OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS

OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS

OPTICAL SCANNING DEVICE AND IMAGE FORMING DEVICE

LIGHT SCANNING DEVICE, AND IMAGE FORMING APPARATUS HAVING THE SAME

POLARIZATION-SEPARATION DEVICE, OPTICAL SCANNING APPARATUS, AND IMA...

OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS

POLARIZATION SPLITTING DEVICE, METHOD OF MANUFACTURING POLARIZATION...

OPTICAL PATH SWITCHING DEVICE, OPTICAL SCANNING DEVICE, AND IMAGE F...

Liquid Crystal Element, Optical Path Deflecting Element, and Image...

Image Display Device and Image Projection Device

Image Processing Apparatus, Image Display Apparatus, Image Processi...

Image Display Apparatus and Projection Optical System

ELECTRIC FIELD GENERATING DEVICE, LIGHT DEFLECTING DEVICE, AND IMAG...

Optical axis deflecting method, optical axis deflecting element, op...

Light path shift device and image display device

Intermediate image formation optical system, image formation device...

Light deflection element, light deflection device and image display...

Optical deflection device and optical deflection method that contro...

Optical device, display device, and three-dimension image display d...