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Fumika Yoshida
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Hiratsuka-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Polarization purity control device and gas laser apparatus provided...
Patent number
8,902,948
Issue date
Dec 2, 2014
Gigaphoton Inc.
Shinji Nagai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Polarization purity control device and gas laser apparatus provided...
Patent number
8,891,574
Issue date
Nov 18, 2014
Gigaphoton Inc.
Shinji Nagai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Gas discharge chamber
Patent number
8,855,167
Issue date
Oct 7, 2014
Gigaphoton Inc.
Shinji Nagai
G02 - OPTICS
Information
Patent Grant
Extreme ultraviolet light source device
Patent number
8,610,095
Issue date
Dec 17, 2013
Gigaphoton Inc.
Takayuki Yabu
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Gas discharge chamber
Patent number
8,503,499
Issue date
Aug 6, 2013
Gigaphoton Inc.
Shinji Nagai
G02 - OPTICS
Information
Patent Grant
Polarization purity control device and gas laser apparatus provided...
Patent number
8,165,181
Issue date
Apr 24, 2012
Gigaphoton Inc.
Shinji Nagai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Casing for laser device, production method and cleaning method of t...
Patent number
6,627,843
Issue date
Sep 30, 2003
Arms Komatsu Ltd.
Yasuo Itakura
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
POLARIZATION PURITY CONTROL DEVICE AND GAS LASER APPARATUS PROVIDED...
Publication number
20140050239
Publication date
Feb 20, 2014
GIGAPHOTON INC.
Shinji NAGAI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
GAS DISCHARGE CHAMBER
Publication number
20130322483
Publication date
Dec 5, 2013
GIGAPHOTON INC.
Shinji NAGAI
G02 - OPTICS
Information
Patent Application
POLARIZATION PURITY CONTROL DEVICE AND GAS LASER APPARATUS PROVIDED...
Publication number
20120177072
Publication date
Jul 12, 2012
GIGAPHOTON INC.
Shinji NAGAI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
GAS DISCHARGE CHAMBER
Publication number
20110158281
Publication date
Jun 30, 2011
GIGAPHOTON INC.
Shinji NAGAI
G02 - OPTICS
Information
Patent Application
EXTREME ULTRAVIOLET LIGHT SOURCE DEVICE
Publication number
20100200776
Publication date
Aug 12, 2010
GIGAPHOTON INC.
Takayuki Yabu
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
POLARIZATION PURITY CONTROL DEVICE AND GAS LASER APPARATUS PROVIDED...
Publication number
20100128747
Publication date
May 27, 2010
GIGAPHOTON INC.
Shinji NAGAI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Casing for laser device, production method and cleaning method of t...
Publication number
20020041617
Publication date
Apr 11, 2002
Komatsu Ltd.
Yasuo Itakura
H01 - BASIC ELECTRIC ELEMENTS