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Osamu Okumura
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Patents Grants
last 30 patents
Information
Patent Grant
Light emitting apparatus and projector
Patent number
11,508,874
Issue date
Nov 22, 2022
Seiko Epson Corporation
Osamu Okumura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Wavelength converter, light source apparatus, and projector
Patent number
11,333,961
Issue date
May 17, 2022
Seiko Epson Corporation
Osamu Okumura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Light source device and electronic apparatus
Patent number
11,215,747
Issue date
Jan 4, 2022
Seiko Epson Corporation
Osamu Okumura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Wavelength conversion element, wavelength conversion system, light...
Patent number
10,620,520
Issue date
Apr 14, 2020
Seiko Epson Corporation
Osamu Okumura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Liquid crystal device, electronic device and projector with maximum...
Patent number
9,568,771
Issue date
Feb 14, 2017
Seiko Epson Corporation
Osamu Okumura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Reflection type liquid crystal device having a tilt mechanism and L...
Patent number
9,229,273
Issue date
Jan 5, 2016
Seiko Epson Corporation
Akihide Haruyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Liquid crystal device, electronic device and projector with maximum...
Patent number
9,013,657
Issue date
Apr 21, 2015
Seiko Epson Corporation
Osamu Okumura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Liquid crystal device, electronic device and projector with maximum...
Patent number
8,773,621
Issue date
Jul 8, 2014
Seiko Epson Corporation
Osamu Okumura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Reflective liquid crystal projector
Patent number
8,690,338
Issue date
Apr 8, 2014
Seiko Epson Corporation
Osamu Okumura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Projector
Patent number
8,537,289
Issue date
Sep 17, 2013
Seiko Epson Corporation
Osamu Okumura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Liquid crystal device and electronic apparatus
Patent number
8,130,344
Issue date
Mar 6, 2012
Seiko Epson Corporation
Hitoshi Tsuchiya
G02 - OPTICS
Information
Patent Grant
Reflective type color liquid crystal device and an electronic appar...
Patent number
7,995,163
Issue date
Aug 9, 2011
Seiko Epson Corporation
Osamu Okumura
G02 - OPTICS
Information
Patent Grant
Liquid crystal device and electronic apparatus
Patent number
7,924,376
Issue date
Apr 12, 2011
Seiko Epson Corporation
Osamu Okumura
G02 - OPTICS
Information
Patent Grant
Liquid crystal device and electronic apparatus
Patent number
7,907,239
Issue date
Mar 15, 2011
Seiko Epson Corporation
Osamu Okumura
G02 - OPTICS
Information
Patent Grant
Reflective type color liquid crystal device and an electronic appar...
Patent number
7,834,958
Issue date
Nov 16, 2010
Seiko Epson Corporation
Osamu Okumura
G02 - OPTICS
Information
Patent Grant
Transflective LCD having a reflective film overlapping the transmis...
Patent number
7,616,281
Issue date
Nov 10, 2009
Seiko Epson Corporation
Osamu Okumura
G02 - OPTICS
Information
Patent Grant
Liquid crystal device, projection type display and electronic equip...
Patent number
7,609,352
Issue date
Oct 27, 2009
Seiko Epson Corporation
Tsuyoshi Maeda
G02 - OPTICS
Information
Patent Grant
Liquid crystal display and electronic appliance
Patent number
7,583,338
Issue date
Sep 1, 2009
Seiko Epson Corporation
Tsuyoshi Maeda
G02 - OPTICS
Information
Patent Grant
Liquid crystal display device and projection display apparatus
Patent number
7,551,250
Issue date
Jun 23, 2009
Seiko Epson Corporation
Osamu Okumura
G02 - OPTICS
Information
Patent Grant
Liquid crystal display and electronic appliance
Patent number
7,538,839
Issue date
May 26, 2009
Seiko Epson Corporation
Tsuyoshi Maeda
G02 - OPTICS
Information
Patent Grant
Liquid crystal device and electronic device having liquid crystal m...
Patent number
7,535,529
Issue date
May 19, 2009
Seiko Epson Corporation
Tsuyoshi Maeda
G02 - OPTICS
Information
Patent Grant
Liquid crystal device and electronic apparatus
Patent number
7,483,100
Issue date
Jan 27, 2009
Seiko Epson Corporation
Tsuyoshi Maeda
G02 - OPTICS
Information
Patent Grant
Viewing angle control element, method of manufacturing the same, li...
Patent number
7,468,770
Issue date
Dec 23, 2008
Seiko Epson Corporation
Osamu Okumura
G02 - OPTICS
Information
Patent Grant
Liquid crystal device, projection type display and electronic equip...
Patent number
7,411,646
Issue date
Aug 12, 2008
Seiko Epson Corporation
Tsuyoshi Maeda
G02 - OPTICS
Information
Patent Grant
Liquid crystal display device and electronic apparatus
Patent number
7,397,528
Issue date
Jul 8, 2008
Seiko Epson Corporation
Osamu Okumura
G02 - OPTICS
Information
Patent Grant
Liquid crystal display and electronic appliance
Patent number
7,352,420
Issue date
Apr 1, 2008
Seiko Epson Corporation
Tsuyoshi Maeda
G02 - OPTICS
Information
Patent Grant
Liquid crystal device and electronic apparatus
Patent number
7,307,681
Issue date
Dec 11, 2007
Seiko Epson Corporation
Osamu Okumura
G02 - OPTICS
Information
Patent Grant
Reflective type color liquid crystal device and an electronic appar...
Patent number
7,304,701
Issue date
Dec 4, 2007
Seiko Epson Corporation
Osamu Okumura
G02 - OPTICS
Information
Patent Grant
Reflective type color liquid crystal device and an electronic appar...
Patent number
7,289,174
Issue date
Oct 30, 2007
Seiko Epson Corporation
Osamu Okumura
G02 - OPTICS
Information
Patent Grant
Reflective type color liquid crystal device and an electronic appar...
Patent number
7,286,194
Issue date
Oct 23, 2007
Seiko Epson Corporation
Osamu Okumura
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
LIGHT EMITTING APPARATUS AND PROJECTOR
Publication number
20210167247
Publication date
Jun 3, 2021
SEIKO EPSON CORPORATION
Osamu OKUMURA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
WAVELENGTH CONVERTER, LIGHT SOURCE APPARATUS, AND PROJECTOR
Publication number
20210132483
Publication date
May 6, 2021
SEIKO EPSON CORPORATION
Osamu Okumura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
LIGHT SOURCE DEVICE AND ELECTRONIC APPARATUS
Publication number
20200174177
Publication date
Jun 4, 2020
SEIKO EPSON CORPORATION
Osamu OKUMURA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
WAVELENGTH CONVERSION ELEMENT, WAVELENGTH CONVERSION SYSTEM, LIGHT...
Publication number
20190064644
Publication date
Feb 28, 2019
SEIKO EPSON CORPORATION
Osamu Okumura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
LIQUID CRYSTAL DEVICE, ELECTRONIC DEVICE AND PROJECTOR WITH MAXIMUM...
Publication number
20150212356
Publication date
Jul 30, 2015
SEIKO EPSON CORPORATION
Osamu Okumura
G02 - OPTICS
Information
Patent Application
LIQUID CRYSTAL DEVICE, ELECTRONIC DEVICE AND PROJECTOR
Publication number
20140253820
Publication date
Sep 11, 2014
SEIKO EPSON CORPORATION
Osamu OKUMURA
G02 - OPTICS
Information
Patent Application
PROJECTOR
Publication number
20120229715
Publication date
Sep 13, 2012
SIEKO EPSON CORPORATION
Osamu Okumura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
REFLECTION TYPE LIQUID CRYSTAL DEVICE AND PROJECTOR
Publication number
20110194057
Publication date
Aug 11, 2011
SEIKO EPSON CORPORATION
Akihide HARUYAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
REFLECTIVE LIQUID CRYSTAL PROJECTOR
Publication number
20110181801
Publication date
Jul 28, 2011
SEIKO EPSON CORPORATION
Osamu OKUMURA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DISPLAY DEVICE, ELECTRONIC APPARATUS, AND PROJECTION IMAGING APPARATUS
Publication number
20110051029
Publication date
Mar 3, 2011
SEIKO EPSON CORPORATION
Osamu Okumura
G02 - OPTICS
Information
Patent Application
REFLECTIVE TYPE COLOR LIQUID CRYSTAL DEVICE AND AN ELECTRONIC APPAR...
Publication number
20110032458
Publication date
Feb 10, 2011
SEIKO EPSON CORPORATION
Osamu Okumura
G02 - OPTICS
Information
Patent Application
LIQUID CRYSTAL DEVICE AND ELECTRONIC APPARATUS
Publication number
20100066952
Publication date
Mar 18, 2010
SEIKO EPSON CORPORATION
Hitoshi TSUCHIYA
G02 - OPTICS
Information
Patent Application
LIQUID CRYSTAL DEVICE, ELECTRONIC DEVICE AND PROJECTOR
Publication number
20090219456
Publication date
Sep 3, 2009
SEIKO EPSON CORPORATION
Osamu OKUMURA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ELECTRO-OPTIC DEVICE AND ELECTRONIC APPARATUS
Publication number
20090051631
Publication date
Feb 26, 2009
SEIKO EPSON CORPORATION
Osamu Okumura
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Liquid crystal device, projection type display and electronic equip...
Publication number
20080273155
Publication date
Nov 6, 2008
SEIKO EPSON CORPORATION
Tsuyoshi Maeda
G02 - OPTICS
Information
Patent Application
Liquid crystal display and electronic appliance
Publication number
20080198307
Publication date
Aug 21, 2008
SEIKO EPSON CORPORATION
Tsuyoshi Maeda
G02 - OPTICS
Information
Patent Application
Liquid crystal device and electronic apparatus
Publication number
20080151157
Publication date
Jun 26, 2008
SEIKO EPSON CORPORATION
Osamu Okumura
G02 - OPTICS
Information
Patent Application
Liquid crystal display device and projection display apparatus
Publication number
20080129941
Publication date
Jun 5, 2008
SEIKO EPSON CORPORATION
Osamu Okumura
G02 - OPTICS
Information
Patent Application
Liquid crystal device and electronic apparatus
Publication number
20070296895
Publication date
Dec 27, 2007
SEIKO EPSON CORPORATION
Osamu Okumura
G02 - OPTICS
Information
Patent Application
Liquid crystal display and electronic appliance
Publication number
20070258027
Publication date
Nov 8, 2007
SEIKO EPSON CORPORATION
Tsuyoshi Maeda
G02 - OPTICS
Information
Patent Application
Transflective LCD having a reflective film overlapping the transmis...
Publication number
20070247580
Publication date
Oct 25, 2007
SEIKO EPSON CORPORATION
Osamu Okumura
G02 - OPTICS
Information
Patent Application
Liquid crystal device and electronic device having liquid crystal m...
Publication number
20070247575
Publication date
Oct 25, 2007
Tsuyoshi Maeda
G02 - OPTICS
Information
Patent Application
Liquid crystal device, projection type display and electronic equip...
Publication number
20070206144
Publication date
Sep 6, 2007
SEIKO EPSON CORPORATION
Tsuyoshi Maeda
G02 - OPTICS
Information
Patent Application
Reflective type color liquid crystal device and an electronic appar...
Publication number
20070200982
Publication date
Aug 30, 2007
SEIKO EPSON CORPORATION
Osamu Okumura
G02 - OPTICS
Information
Patent Application
Reflective type color liquid crystal device and an electronic appar...
Publication number
20070115404
Publication date
May 24, 2007
SEIKO EPSON CORPORATION
Osamu Okumura
G02 - OPTICS
Information
Patent Application
LIQUID CRYSTAL DEVICE AND ELECTRONIC APPARATUS
Publication number
20060274241
Publication date
Dec 7, 2006
SEIKO EPSON CORPORATION
Tsuyoshi MAEDA
G02 - OPTICS
Information
Patent Application
Liquid crystal device and electronic apparatus
Publication number
20060274242
Publication date
Dec 7, 2006
SEIKO EPSON CORPORATION
Osamu Okumura
G02 - OPTICS
Information
Patent Application
Reflective type color liquid crystal device and an electronic appar...
Publication number
20060268202
Publication date
Nov 30, 2006
SEIKO EPSON CORPORATION
Osamu Okumura
G02 - OPTICS
Information
Patent Application
Transflective LCD having a reflective film overlapping the transmis...
Publication number
20060244883
Publication date
Nov 2, 2006
SEIKO EPSON CORPORATION
Osamu Okumura
G02 - OPTICS
Information
Patent Application
Liquid crystal device and electronic apparatus
Publication number
20060209236
Publication date
Sep 21, 2006
Tsuyoshi Maeda
G02 - OPTICS