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Daisuke Sawaki
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Suwa-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Electro-optical device, transmissive liquid crystal display device,...
Patent number
10,656,455
Issue date
May 19, 2020
Seiko Epson Corporation
Yoshitake Tateno
G02 - OPTICS
Information
Patent Grant
Electro-optical device and electronic device having base member, le...
Patent number
10,634,942
Issue date
Apr 28, 2020
Seiko Epson Corporation
Satoshi Ito
G02 - OPTICS
Information
Patent Grant
Polarizing element, liquid crystal device, and electronic apparatus
Patent number
8,760,604
Issue date
Jun 24, 2014
Seiko Epson Corporation
Daisuke Sawaki
G02 - OPTICS
Information
Patent Grant
Polarization element and projector
Patent number
8,696,131
Issue date
Apr 15, 2014
Seiko Epson Corporation
Daisuke Sawaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Liquid crystal projector that includes an inorganic polarizer
Patent number
8,508,675
Issue date
Aug 13, 2013
Seiko Epson Corporation
Hiroaki Yanai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Polarizing element, method of manufacturing polarizing element, and...
Patent number
8,369,013
Issue date
Feb 5, 2013
Seiko Epson Corporation
Daisuke Sawaki
G02 - OPTICS
Information
Patent Grant
Polarizing element, method of manufacturing polarizing element, and...
Patent number
8,363,319
Issue date
Jan 29, 2013
Seiko Epson Corporation
Daisuke Sawaki
G02 - OPTICS
Information
Patent Grant
Polarization element and projector
Patent number
8,350,992
Issue date
Jan 8, 2013
Seiko Epson Corporation
Daisuke Sawaki
G02 - OPTICS
Information
Patent Grant
Polarization element and projector
Patent number
8,300,158
Issue date
Oct 30, 2012
Seiko Epson Corporation
Daisuke Sawaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for producing fine structure
Patent number
8,221,963
Issue date
Jul 17, 2012
Seiko Epson Corporation
Jun Amako
G02 - OPTICS
Information
Patent Grant
Optical element having a diffractive layer and a relief pattern wit...
Patent number
7,972,017
Issue date
Jul 5, 2011
Seiko Epson Corporation
Jun Amako
G02 - OPTICS
Information
Patent Grant
Liquid crystal device having a diffraction function layer that incl...
Patent number
7,944,544
Issue date
May 17, 2011
Seiko Epson Corporation
Jun Amako
B32 - LAYERED PRODUCTS
Information
Patent Grant
Optical element, liquid crystal device, and display
Patent number
7,885,004
Issue date
Feb 8, 2011
Seiko Epson Corporation
Jun Amako
G02 - OPTICS
Information
Patent Grant
Method for manufacturing a microstructure, exposure device, and ele...
Patent number
7,867,692
Issue date
Jan 11, 2011
Seiko Epson Corporation
Jun Amako
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Optical element, liquid crystal device, and display
Patent number
7,755,718
Issue date
Jul 13, 2010
Seiko Epson Corporation
Jun Amako
G02 - OPTICS
Information
Patent Grant
Optical element having a reflected light diffusing function and a p...
Patent number
7,722,194
Issue date
May 25, 2010
Seiko Epson Corporation
Jun Amako
G02 - OPTICS
Information
Patent Grant
Method for manufacturing optical element
Patent number
7,666,468
Issue date
Feb 23, 2010
Seiko Epson Corporation
Yoshitomo Kumai
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Method for manufacturing optical element
Patent number
7,608,474
Issue date
Oct 27, 2009
Seiko Epson Corporation
Yoshitomo Kumai
G02 - OPTICS
Information
Patent Grant
Laser processing apparatus and laser processing method
Patent number
7,521,649
Issue date
Apr 21, 2009
Seiko Epson Corporation
Kazushige Umetsu
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Mask and method of manufacturing the same, electroluminescent devic...
Patent number
7,387,739
Issue date
Jun 17, 2008
Seiko Epson Corporation
Shinichi Yotsuya
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Polarization control element, manufacturing method of polarization...
Patent number
7,339,734
Issue date
Mar 4, 2008
Seiko Epson Corporation
Jun Amako
G02 - OPTICS
Information
Patent Grant
Manufacturing method of spectacle lens, marking apparatus, marking...
Patent number
7,267,436
Issue date
Sep 11, 2007
Seiko Epson Corporation
Ayumu Ito
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Liquid dispense head and manufacturing method thereof
Patent number
7,240,855
Issue date
Jul 10, 2007
Seiko Epson Corporation
Fumio Takagi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method of laser processing and head for ejecting droplet
Patent number
7,070,700
Issue date
Jul 4, 2006
Seiko Epson Corporation
Daisuke Sawaki
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
ELECTRO-OPTICAL DEVICE, TRANSMISSIVE LIQUID CRYSTAL DISPLAY DEVICE,...
Publication number
20180314086
Publication date
Nov 1, 2018
SEIKO EPSON CORPORATION
Yoshitake TATENO
G02 - OPTICS
Information
Patent Application
ELECTRO-OPTICAL DEVICE AND ELECTRONIC DEVICE
Publication number
20180314087
Publication date
Nov 1, 2018
SEIKO EPSON CORPORATION
Satoshi ITO
G02 - OPTICS
Information
Patent Application
POLARIZING ELEMENT, LIQUID CRYSTAL DEVICE, AND ELECTRONIC APPARATUS
Publication number
20130002998
Publication date
Jan 3, 2013
SEIKO EPSON CORPORATION
Daisuke SAWAKI
G02 - OPTICS
Information
Patent Application
WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE DEVICE, AND PROJECTOR
Publication number
20120106126
Publication date
May 3, 2012
SEIKO EPSON CORPORATION
Shigeo NOJIMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
POLARIZATION ELEMENT AND PROJECTOR
Publication number
20110205457
Publication date
Aug 25, 2011
SEIKO EPSON CORPORATION
Daisuke SAWAKI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
POLARIZATION ELEMENT AND PROJECTOR
Publication number
20110205458
Publication date
Aug 25, 2011
SEIKO EPSON CORPORATION
Daisuke SAWAKI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LIQUID CRYSTAL PROJECTOR
Publication number
20110181800
Publication date
Jul 28, 2011
SEIKO EPSON CORPORATION
Hiroaki YANAI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
POLARIZING ELEMENT, METHOD OF MANUFACTURING POLARIZING ELEMENT, AND...
Publication number
20110170186
Publication date
Jul 14, 2011
SEIKO EPSON CORPORATION
Daisuke SAWAKI
G02 - OPTICS
Information
Patent Application
POLARIZING ELEMENT, METHOD OF MANUFACTURING POLARIZING ELEMENT, AND...
Publication number
20110170187
Publication date
Jul 14, 2011
SEIKO EPSON CORPORATION
Daisuke SAWAKI
G02 - OPTICS
Information
Patent Application
POLARIZATION ELEMENT AND PROJECTOR
Publication number
20110115991
Publication date
May 19, 2011
SEIKO EPSON CORPORATION
Daisuke SAWAKI
G02 - OPTICS
Information
Patent Application
OPTICAL ELEMENT, LIQUID CRYSTAL DEVICE, AND DISPLAY
Publication number
20100238555
Publication date
Sep 23, 2010
SEIKO EPSON CORPORATION
Jun AMAKO
G02 - OPTICS
Information
Patent Application
OPTICAL ELEMENT HAVING A DIFFRACTIVE LAYER AND A RELIEF PATTERN WIT...
Publication number
20100188747
Publication date
Jul 29, 2010
SEIKO EPSON CORPORATION
Jun AMAKO
G02 - OPTICS
Information
Patent Application
METHOD FOR PRODUCING FINE STRUCTURE
Publication number
20090170038
Publication date
Jul 2, 2009
SEIKO EPSON CORPORATION
Jun AMAKO
G02 - OPTICS
Information
Patent Application
OPTICAL ELEMENT, LIQUID CRYSTAL DEVICE, AND ELECTRONIC APPARATUS
Publication number
20090109377
Publication date
Apr 30, 2009
SEIKO EPSON CORPORATION
Daisuke SAWAKI
G02 - OPTICS
Information
Patent Application
OPTICAL ELEMENT, LIQUID CRYSTAL DEVICE, AND DISPLAY
Publication number
20090040607
Publication date
Feb 12, 2009
SEIKO EPSON CORPORATION
Jun AMAKO
G02 - OPTICS
Information
Patent Application
OPTICAL ELEMENT, LIQUID CRYSTAL DEVICE, ELECTRONIC APPARATUS, OPTIC...
Publication number
20080304004
Publication date
Dec 11, 2008
SEIKO EPSON CORPORATION
Jun Amako
G02 - OPTICS
Information
Patent Application
OPTICAL ELEMENT AND PROJECTION DISPLAY DEVICE
Publication number
20080304153
Publication date
Dec 11, 2008
SEIKO EPSON CORPORATION
Jun AMAKO
G02 - OPTICS
Information
Patent Application
WIRING SUBSTRATE AND METHOD FOR MANUFACTURING THE SAME
Publication number
20080274338
Publication date
Nov 6, 2008
SEIKO EPSON CORPORATION
Toshihiko KANEDA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Element substrate and method of manufacturing the same
Publication number
20080173471
Publication date
Jul 24, 2008
Seiko Epson Corporation
Toshihiko Kaneda
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Plated substrate and method of manufacturing the same
Publication number
20080081155
Publication date
Apr 3, 2008
Seiko Epson Corporation
Toshihiko Kaneda
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
LASER PROCESSING APPARATUS AND LASER PROCESSING METHOD
Publication number
20070205187
Publication date
Sep 6, 2007
SEIKO EPSON CORPORATION
Kazushige Sawaki
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Method for manufacturing optical element
Publication number
20060185983
Publication date
Aug 24, 2006
Seiko Epson Corporation
Yoshitomo Kumai
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Method for manufacturing optical element
Publication number
20060177571
Publication date
Aug 10, 2006
Seiko Epson Corporation
Yoshitomo Kumai
G02 - OPTICS
Information
Patent Application
Polarization control element, manufacturing method of polarization...
Publication number
20060146231
Publication date
Jul 6, 2006
SEIKO EPSON CORPORATION
Jun Amako
G02 - OPTICS
Information
Patent Application
Method for manufacturing a microstructure, exposure device, and ele...
Publication number
20060046156
Publication date
Mar 2, 2006
SEIKO EPSON CORPORATION
Jun Amako
G02 - OPTICS
Information
Patent Application
Laser processing apparatus and laser processing method
Publication number
20050115938
Publication date
Jun 2, 2005
Kazushige Sawaki
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Manufacturing method of spectacle lens, marking apparatus, marking...
Publication number
20050046792
Publication date
Mar 3, 2005
Seiko Epson Corporation
Ayumu Ito
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Liquid dispense head and manufacturing method thereof
Publication number
20050001050
Publication date
Jan 6, 2005
Fumio Takagi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method of laser processing and head for ejecting droplet
Publication number
20040129684
Publication date
Jul 8, 2004
Seiko Epson Corporation
Daisuke Sawaki
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Mask and method of manufacturing the same, electroluminescent devic...
Publication number
20040026360
Publication date
Feb 12, 2004
SEIKO EPSON CORPORATION
Shinichi Yotsuya
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...