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Akira Arimoto
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Kokubunji, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Solid-state image pickup device and method of producing the same
Patent number
7,675,016
Issue date
Mar 9, 2010
Hitachi, Ltd.
Chihiro Mochizuki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Focusing controlling device
Patent number
7,515,198
Issue date
Apr 7, 2009
Hoya Corporation
Akira Arimoto
G02 - OPTICS
Information
Patent Grant
Digital single-lens reflex camera
Patent number
7,494,293
Issue date
Feb 24, 2009
Hoya Corporation
Akira Arimoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical head with lasers and mirrors in a recess formed in a substrate
Patent number
7,292,519
Issue date
Nov 6, 2007
Hitachi, Ltd.
Kimio Tatsuno
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical fiber and method for producing the same
Patent number
7,050,677
Issue date
May 23, 2006
PENTAX Corporation
Masahiro Fushimi
G02 - OPTICS
Information
Patent Grant
Optical communication apparatus
Patent number
7,043,118
Issue date
May 9, 2006
PENTAX Corporation
Akira Arimoto
G02 - OPTICS
Information
Patent Grant
Optical communication device
Patent number
6,996,311
Issue date
Feb 7, 2006
PENTAX Corporation
Masahiro Fushimi
G02 - OPTICS
Information
Patent Grant
LCD and projection type display using same
Patent number
6,879,358
Issue date
Apr 12, 2005
Hitachi, Ltd.
Hideo Sato
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Optical lens for optical disc drive with aberration suppression for...
Patent number
6,785,203
Issue date
Aug 31, 2004
PENTAX Corporation
Koichi Maruyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Full-color recorder using potential split developing process
Patent number
6,754,464
Issue date
Jun 22, 2004
Hitachi Koki Co., Ltd.
Teruaki Mitsuya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Picture display device
Patent number
6,705,730
Issue date
Mar 16, 2004
Hitachi, Ltd.
Tetsuya Ohshima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
LCD and projection type display using same
Patent number
6,693,691
Issue date
Feb 17, 2004
Hitachi, Ltd.
Hideo Sato
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Liquid crystal light valve and projection type display using same
Patent number
6,686,976
Issue date
Feb 3, 2004
Hitachi, Ltd.
Hideo Sato
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Electric photograph system
Patent number
6,657,653
Issue date
Dec 2, 2003
Hitachi, Ltd.
Shinichi Nakatsuka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Projector and display system
Patent number
6,513,933
Issue date
Feb 4, 2003
Hitachi, Ltd.
Hiroki Kaneko
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
OPTICAL HEAD HAVING TWO SEMICONDUCTOR LASERS OF DIFFERENT WAVELENGT...
Patent number
6,493,307
Issue date
Dec 10, 2002
Hitachi, Ltd.
Takeshi Shimano
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disc drive
Patent number
6,477,129
Issue date
Nov 5, 2002
Hitachi, Ltd.
Koichi Maruyama
G11 - INFORMATION STORAGE
Information
Patent Grant
LCD and projection type display using three metalization layers and...
Patent number
6,437,842
Issue date
Aug 20, 2002
Hitachi, Ltd.
Hideo Sato
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Directional reflection screen and display system using the same
Patent number
6,437,917
Issue date
Aug 20, 2002
Hitachi, Ltd.
Tetsuya Ooshima
G02 - OPTICS
Information
Patent Grant
OPTICAL HEAD HAVING TWO SEMICONDUCTOR LASERS OF DIFFERENT WAVELENGT...
Patent number
6,430,140
Issue date
Aug 6, 2002
Hitachi, Ltd.
Takeshi Shimano
G11 - INFORMATION STORAGE
Information
Patent Grant
Directional reflection screen and display system using the same
Patent number
6,421,174
Issue date
Jul 16, 2002
Hitachi, Ltd.
Tetsuya Ooshima
G02 - OPTICS
Information
Patent Grant
Method of reproducing three-dimensional images and three-dimensiona...
Patent number
6,344,926
Issue date
Feb 5, 2002
Hitachi, Ltd.
Akira Arimoto
G02 - OPTICS
Information
Patent Grant
Optical head having two semiconductor lasers of different wavelengt...
Patent number
6,333,908
Issue date
Dec 25, 2001
Hitachi, Ltd.
Takeshi Shimano
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical head having two semiconductor lasers of different wavelengt...
Patent number
6,256,284
Issue date
Jul 3, 2001
Hitachi, Ltd.
Takeshi Shimano
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical head having two lasers of different wavelength and an objec...
Patent number
6,215,756
Issue date
Apr 10, 2001
Hitachi, Ltd.
Takeshi Shimano
G11 - INFORMATION STORAGE
Information
Patent Grant
Reflective liquid crystal display having a hologram color filter
Patent number
6,122,465
Issue date
Sep 19, 2000
Hitachi, Ltd.
Ikuo Hiyama
G02 - OPTICS
Information
Patent Grant
Multi-beam laser printer with beam spacing detection during blankin...
Patent number
RE36841
Issue date
Aug 29, 2000
Hitachi, Ltd.
Akira Arimoto
347 - Incremental printing of symbolic information
Information
Patent Grant
Laser printer and light source suitable for the same
Patent number
6,091,439
Issue date
Jul 18, 2000
Hitachi, Ltd.
Shinichi Nakatsuka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Directional reflection screen and projection display
Patent number
6,081,380
Issue date
Jun 27, 2000
Hitachi, Ltd.
Tetsuya Ohshima
G02 - OPTICS
Information
Patent Grant
Laser beam printer and semiconductor laser device suitable for a li...
Patent number
6,055,256
Issue date
Apr 25, 2000
Hitachi, Ltd.
Shin'ichi Nakatsuka
B82 - NANO-TECHNOLOGY
Patents Applications
last 30 patents
Information
Patent Application
DIGITAL SINGLE-LENS REFLEX CAMERA
Publication number
20090051792
Publication date
Feb 26, 2009
HOYA CORPORATION
Akira ARIMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SOLID-STATE IMAGE PICKUP DEVICE AND METHOD OF PRODUCING THE SAME
Publication number
20080043127
Publication date
Feb 21, 2008
Hitachi, Ltd.
Chihiro MOCHIZUKI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ENDOSCOPE
Publication number
20070232860
Publication date
Oct 4, 2007
PENTAX CORPORATION
Wataru KUBO
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Digital single-lens reflex camera
Publication number
20060147200
Publication date
Jul 6, 2006
PENTAX CORPORATION
Akira Arimoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
FOCUSING CONTROLLING DEVICE
Publication number
20060146173
Publication date
Jul 6, 2006
PENTAX CORPORATION
Akira ARIMOTO
G02 - OPTICS
Information
Patent Application
OPTICAL COMMUNICATION DEVICE
Publication number
20060013535
Publication date
Jan 19, 2006
PENTAX CORPORATION
Masahiro Fushimi
G02 - OPTICS
Information
Patent Application
Optical head with lasers and mirrors in a recess formed in a substrate
Publication number
20050122880
Publication date
Jun 9, 2005
Hitachi, Ltd.
Kimio Tatsuno
G11 - INFORMATION STORAGE
Information
Patent Application
Optical fiber and method for producing the same
Publication number
20040120646
Publication date
Jun 24, 2004
PENTAX CORPORATION
Masahiro Fushimi
G02 - OPTICS
Information
Patent Application
Optical communication device
Publication number
20040114935
Publication date
Jun 17, 2004
PENTAX CORPORATION
Masahiro Fushimi
G02 - OPTICS
Information
Patent Application
LCD and projection type display using same
Publication number
20040090565
Publication date
May 13, 2004
Hitachi, Ltd
Hideo Sato
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Optical communication apparatus
Publication number
20030219201
Publication date
Nov 27, 2003
PENTAX CORPORATION
Akira Arimoto
G02 - OPTICS
Information
Patent Application
Picture display device
Publication number
20030020878
Publication date
Jan 30, 2003
Tetsuya Ohshima
G02 - OPTICS
Information
Patent Application
LCD and projection type display using same
Publication number
20020176033
Publication date
Nov 28, 2002
Hitachi, Ltd
Hideo Sato
G02 - OPTICS
Information
Patent Application
Full-color recorder using potential split developing process
Publication number
20020150409
Publication date
Oct 17, 2002
Teruaki Mitsuya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Optical head having two semiconductor lasers of different wavelengt...
Publication number
20020114259
Publication date
Aug 22, 2002
Takeshi Shimano
G11 - INFORMATION STORAGE
Information
Patent Application
Optical head having two semiconductor lasers of different wavelengt...
Publication number
20020048250
Publication date
Apr 25, 2002
Takeshi Shimano
G11 - INFORMATION STORAGE
Information
Patent Application
Electric photograph system
Publication number
20020024586
Publication date
Feb 28, 2002
Shinichi Nakatsuka
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Optical disc drive
Publication number
20010043549
Publication date
Nov 22, 2001
Hitachi, Ltd
Koichi Maruyama
G11 - INFORMATION STORAGE
Information
Patent Application
Liquid crystal light valve and projection type display using same
Publication number
20010033346
Publication date
Oct 25, 2001
Hideo Sato
G02 - OPTICS
Information
Patent Application
Objective lens for optical disc drive
Publication number
20010028626
Publication date
Oct 11, 2001
Hitachi, Ltd
Koichi Maruyama
G11 - INFORMATION STORAGE
Information
Patent Application
Optical head having two semiconductor lasers of different wavelengt...
Publication number
20010005351
Publication date
Jun 28, 2001
Takeshi Shimano
G11 - INFORMATION STORAGE