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Yuji Takado
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Matsumoto-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Light source unit and projector
Patent number
8,395,306
Issue date
Mar 12, 2013
Seiko Epson Corporation
Kaname Nagatani
F21 - LIGHTING
Information
Patent Grant
Light source device and projector
Patent number
8,128,239
Issue date
Mar 6, 2012
Seiko Epson Corporation
Tetsuo Shimizu
F21 - LIGHTING
Information
Patent Grant
Light source device, method of manufacturing light source, and proj...
Patent number
7,712,921
Issue date
May 11, 2010
Seiko Epson Corporation
Hiroyuki Kobayashi
F21 - LIGHTING
Information
Patent Grant
Light source unit, method of manufacturing light source unit, and p...
Patent number
7,665,867
Issue date
Feb 23, 2010
Seiko Epson Corporation
Hiroyuki Kobayashi
F21 - LIGHTING
Information
Patent Grant
Lamp device, manufacturing method for same and projector having a l...
Patent number
7,588,348
Issue date
Sep 15, 2009
Seiko Epson Corporation
Shohei Fujisawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Light source unit, method of manufacturing light source unit, and p...
Patent number
7,329,011
Issue date
Feb 12, 2008
Seiko Epson Corporation
Hiroyuki Kobayashi
F21 - LIGHTING
Information
Patent Grant
Method of manufacturing auxiliary mirror, method of manufacturing l...
Patent number
7,281,968
Issue date
Oct 16, 2007
Seiko Epson Corporation
Yuji Takado
F21 - LIGHTING
Information
Patent Grant
Prism structure and projector
Patent number
7,198,374
Issue date
Apr 3, 2007
Seiko Epson Corporation
Hisashi Iechika
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical element inspection device and optical element inspection me...
Patent number
6,885,465
Issue date
Apr 26, 2005
Seiko Epson Corporation
Masashi Kitabayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for manufacturing light-selective prism
Patent number
6,778,341
Issue date
Aug 17, 2004
Seiko Epson Corporation
Toshiaki Hashizume
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
LIGHT SOURCE DEVICE AND PROJECTOR
Publication number
20110242505
Publication date
Oct 6, 2011
SEIKO EPSON CORPORATION
Yuji Takado
F21 - LIGHTING
Information
Patent Application
LIGHT SOURCE UNIT AND PROJECTOR
Publication number
20100321645
Publication date
Dec 23, 2010
SEIKO EPSON CORPORATION
Kaname NAGATANI
F21 - LIGHTING
Information
Patent Application
LIGHT SOURCE DEVICE AND PROJECTOR
Publication number
20100259732
Publication date
Oct 14, 2010
SEIKO EPSON CORPORATION
Tetsuo SHIMIZU
F21 - LIGHTING
Information
Patent Application
Light source device, method of manufacturing light source, and proj...
Publication number
20080186458
Publication date
Aug 7, 2008
SEIKO EPSON CORPORATION
Hiroyuki Kobayashi
F21 - LIGHTING
Information
Patent Application
Light source unit, method of manufacturing light source unit, and p...
Publication number
20070285630
Publication date
Dec 13, 2007
SEIKO EPSON CORPORATION
Hiroyuki Kobayashi
F21 - LIGHTING
Information
Patent Application
Method of manufacturing auxiliary mirror, method of manufacturing l...
Publication number
20050259338
Publication date
Nov 24, 2005
SEIKO EPSON CORPORATION
Yuji Takado
F21 - LIGHTING
Information
Patent Application
Lamp device, manufacturing method for same and projector having a l...
Publication number
20050174773
Publication date
Aug 11, 2005
SEIKO EPSON CORPORATION
Shohei Fujisawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Prism structure and projector
Publication number
20050146689
Publication date
Jul 7, 2005
SEIKO EPSON CORPORATION
Hisashi Iechika
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Light source unit, method of manufacturing light source unit, and p...
Publication number
20050036314
Publication date
Feb 17, 2005
SEIKO EPSON CORPORATION
Hiroyuki Kobayashi
F21 - LIGHTING
Information
Patent Application
Production method for optical selection prism
Publication number
20030169507
Publication date
Sep 11, 2003
Toshiaki Hashizume
G02 - OPTICS
Information
Patent Application
Optical element inspection device and optical element inspection me...
Publication number
20030063293
Publication date
Apr 3, 2003
SEIKO EPSON CORPORATION
Masashi Kitabayashi
G01 - MEASURING TESTING