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Tomio IKEGAMI
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Suwa-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Head mount display
Patent number
10,048,502
Issue date
Aug 14, 2018
Seiko Epson Corporation
Tomio Ikegami
G02 - OPTICS
Information
Patent Grant
Image display apparatus and voltage control method
Patent number
8,686,986
Issue date
Apr 1, 2014
Seiko Epson Corporation
Tomio Ikegami
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Light source device, image display device, and light amount correct...
Patent number
8,348,436
Issue date
Jan 8, 2013
Seiko Epson Corporation
Tomio Ikegami
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Pulse width modulation signal generating device, image display appa...
Patent number
8,226,239
Issue date
Jul 24, 2012
Seiko Epson Corporation
Tomio Ikegami
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Light source device, image display apparatus, and method of driving...
Patent number
8,212,490
Issue date
Jul 3, 2012
Seiko Epson Corporation
Tomio Ikegami
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Control of semiconductor light emitting element
Patent number
8,178,826
Issue date
May 15, 2012
Seiko Epson Corporation
Tomio Ikegami
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Pulse width modulation signal generating device, image display appa...
Patent number
8,058,633
Issue date
Nov 15, 2011
Seiko Epson Corporation
Tomio Ikegami
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Light source device and light amount correcting method to perform l...
Patent number
8,053,713
Issue date
Nov 8, 2011
Seiko Epson Corporation
Tomio Ikegami
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Input device, information device, and control information generatio...
Patent number
7,409,107
Issue date
Aug 5, 2008
Seiko Epson Corporation
Daisuke Sato
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Input device, information device, and control information generatio...
Patent number
7,324,672
Issue date
Jan 29, 2008
Seiko Epson Corporation
Daisuke Sato
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Input device, information device, and control information generatio...
Patent number
7,257,240
Issue date
Aug 14, 2007
Seiko Epson Corporation
Daisuke Sato
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Information device and display control method
Patent number
7,233,685
Issue date
Jun 19, 2007
Seiko Epson Corporation
Mitsutoshi Miyasaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Rotation controller and rotation control method
Patent number
6,477,116
Issue date
Nov 5, 2002
Seiko Epson Corporation
Osamu Shinkawa
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
HEAD MOUNT DISPLAY
Publication number
20170123214
Publication date
May 4, 2017
SEIKO EPSON CORPORATION
Tomio IKEGAMI
G02 - OPTICS
Information
Patent Application
LIGHT EMITTING DEVICE AND IMAGE DISPLAY APPARATUS
Publication number
20150146753
Publication date
May 28, 2015
SEIKO EPSON CORPORATION
Tomio IKEGAMI
G02 - OPTICS
Information
Patent Application
LIGHT EMITTING DEVICE AND IMAGE DISPLAY APPARATUS
Publication number
20150146752
Publication date
May 28, 2015
SEIKO EPSON CORPORATION
Tomio IKEGAMI
G02 - OPTICS
Information
Patent Application
PULSE WIDTH MODULATION SIGNAL GENERATING DEVICE, IMAGE DISPLAY APPA...
Publication number
20110128312
Publication date
Jun 2, 2011
SEIKO EPSON CORPORATION
Tomio IKEGAMI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LIGHT SOURCE DEVICE, IMAGE DISPLAY APPARATUS, AND METHOD OF DRIVING...
Publication number
20100074283
Publication date
Mar 25, 2010
SEIKO EPSON CORPORATION
Tomio IKEGAMI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PULSE WIDTH MODULATION SIGNAL GENERATING DEVICE, IMAGE DISPLAY APPA...
Publication number
20090310633
Publication date
Dec 17, 2009
SEIKO EPSON CORPORATION
Tomio IKEGAMI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IMAGE DISPLAY APPARATUS AND VOLTAGE CONTROL METHOD
Publication number
20090262104
Publication date
Oct 22, 2009
SEIKO EPSON CORPORATION
Tomio IKEGAMI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CONTROL OF SEMICONDUCTOR LIGHT EMITTING ELEMENT
Publication number
20090225014
Publication date
Sep 10, 2009
SEIKO EPSON CORPORATION
Tomio IKEGAMI
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
LIGHT SOURCE DEVICE, IMAGE DISPLAY APPARATUS, AND LIGHT AMOUNT CORR...
Publication number
20090224136
Publication date
Sep 10, 2009
SEIKO EPSON CORPORATION
Tomio IKEGAMI
G01 - MEASURING TESTING
Information
Patent Application
SCANNING IMAGE DISPLAY AND SCANNING IMAGE DISPLAY SYSTEM
Publication number
20090141191
Publication date
Jun 4, 2009
SEIKO EPSON CORPORATION
Shigeo Nojima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CONTROL OF SEMICONDUCTOR LIGHT EMITTING ELEMENT
Publication number
20090095879
Publication date
Apr 16, 2009
SEIKO EPSON CORPORATION
Tomio IKEGAMI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LIGHT SOURCE DEVICE, IMAGE DISPLAY DEVICE, AND LIGHT AMOUNT CORRECT...
Publication number
20090096779
Publication date
Apr 16, 2009
SEIKO EPSON CORPORATION
Tomio IKEGAMI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Input device, information device, and control information generatio...
Publication number
20080089564
Publication date
Apr 17, 2008
SEIKO EPSON CORPORATION
Daisuke Sato
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHOD OF DETECTING MOTION VECTOR, IMAGE PROCESSING DEVICE, IMAGE D...
Publication number
20070133682
Publication date
Jun 14, 2007
SEIKO EPSON CORPORATION
Yoshio ARAI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IMAGE PROCESSING METHOD, IMAGE PROCESSING DEVICE, IMAGE DISPLAY APP...
Publication number
20070133684
Publication date
Jun 14, 2007
SEIKO EPSON CORPORATION
Tomio IKEGAMI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
LIGHT-EMITTING DEVICE, DRIVING METHOD THEREOF, AND ELECTRONIC APPAR...
Publication number
20060279478
Publication date
Dec 14, 2006
SEIKO EPSON CORPORATION
Tomio IKEGAMI
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Input device, information device, and control information generatio...
Publication number
20040107301
Publication date
Jun 3, 2004
SEIKO EPSON CORPORATION
Daisuke Sato
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Input device, information device, and control information generatio...
Publication number
20040101174
Publication date
May 27, 2004
SEIKO EPSON CORPORATION
Daisuke Sato
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Information device and display control method
Publication number
20040096086
Publication date
May 20, 2004
SEIKO EPSON CORPORATION
Mitsutoshi Miyasaka
G06 - COMPUTING CALCULATING COUNTING