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Hisamaro Kato
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Matsumoto-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Projector having cooling device for cooling target object and contr...
Patent number
7,972,012
Issue date
Jul 5, 2011
Seiko Epson Corporation
Hisamaro Kato
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Illuminating device and projector
Patent number
7,497,594
Issue date
Mar 3, 2009
Seiko Epson Corporation
Satoru Nagarekawa
F21 - LIGHTING
Information
Patent Grant
Light source and projector
Patent number
7,147,349
Issue date
Dec 12, 2006
Seiko Epson Corporation
Hisamaro Kato
F21 - LIGHTING
Information
Patent Grant
Projector comprising an optical component having a rock crystal member
Patent number
6,811,262
Issue date
Nov 2, 2004
Seiko Epson Corporation
Takeshi Takezawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Projector comprising an optical component having a rock crystal member
Patent number
6,805,444
Issue date
Oct 19, 2004
Seiko Epson Corporation
Takeshi Takezawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical unit and projector using the same
Patent number
6,631,039
Issue date
Oct 7, 2003
Seiko Epson Corporation
Motoyuki Fujimori
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Projector and prism used therein
Patent number
6,556,256
Issue date
Apr 29, 2003
Seiko Epson Corporation
Hisamaro Kato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Projector
Patent number
6,536,906
Issue date
Mar 25, 2003
Seiko Epson Corporation
Motoyuki Fujimori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
Projector
Publication number
20090046255
Publication date
Feb 19, 2009
SEIKO EPSON CORPORATION
Hisamaro Kato
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ILLUMINATING DEVICE AND PROJECTOR
Publication number
20070230157
Publication date
Oct 4, 2007
SEIKO EPSON CORPORATION
Satoru NAGAREKAWA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Light source and projector
Publication number
20040228130
Publication date
Nov 18, 2004
SEIKO EPSON CORPORATION
Hisamaro Kato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Projector comprising an optical component having a rock crystal member
Publication number
20040145711
Publication date
Jul 29, 2004
SEIKO EPSON CORPORATION
Takeshi Takezawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Projector
Publication number
20020131027
Publication date
Sep 19, 2002
Takeshi Takezawa
G02 - OPTICS
Information
Patent Application
Base frame for mounting illumination optical system and illuminatio...
Publication number
20020126379
Publication date
Sep 12, 2002
SEIKO EPSON CORPORATION
Motoyuki Fujimori
G02 - OPTICS
Information
Patent Application
Projector
Publication number
20020057419
Publication date
May 16, 2002
SEIKO EPSON CORPORATION
Motoyuki Fujimori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY