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Patents Grants
last 30 patents
Information
Patent Grant
Projection exposure apparatus
Patent number
RE39662
Issue date
May 29, 2007
Nikon Corporation
Kazuo Ushida
355 - Photocopying
Information
Patent Grant
Projection exposure apparatus and method with adjustment of rotatio...
Patent number
6,958,803
Issue date
Oct 25, 2005
Nikon Corporation
Toshihiro Sasaya
F21 - LIGHTING
Information
Patent Grant
Apparatus for preforming measurement of a dimension of a test mark...
Patent number
6,750,952
Issue date
Jun 15, 2004
Nikon Precision, Inc.
Ilya Grodnensky
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Projection optical system and projection exposure apparatus
Patent number
RE38403
Issue date
Jan 27, 2004
Nikon Corporation
Toshihiro Sasaya
359 - Optical: systems and elements
Information
Patent Grant
Projection exposure apparatus wherein focusing of the apparatus is...
Patent number
RE38320
Issue date
Nov 18, 2003
Nikon Corporation
Kenji Nishi
355 - Photocopying
Information
Patent Grant
Exposure method
Patent number
6,610,460
Issue date
Aug 26, 2003
Nikon Corporation
Masaya Komatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method for use of a critical dimensional test structure
Patent number
6,449,031
Issue date
Sep 10, 2002
Nikon Corporation
Ilya Grodnensky
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method of manufacturing and using correction member to correct aber...
Patent number
6,262,793
Issue date
Jul 17, 2001
Nikon Corporation
Toshihiro Sasaya
G02 - OPTICS
Information
Patent Grant
Method for forming a critical dimension test structure and its use
Patent number
6,094,256
Issue date
Jul 25, 2000
Nikon Precision Inc.
Ilya Grodnensky
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Illumination apparatus, a projection exposure apparatus having the...
Patent number
6,049,374
Issue date
Apr 11, 2000
Nikon Corporation
Hideki Komatsuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Projection optical system and projection exposure apparatus
Patent number
5,943,172
Issue date
Aug 24, 1999
Nikon Corporation
Toshihiro Sasaya
G02 - OPTICS
Information
Patent Grant
Projection exposure apparatus wherein focusing of the apparatus is...
Patent number
5,883,704
Issue date
Mar 16, 1999
Nikon Corporation
Kenji Nishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Projection optical system and projection exposure apparatus
Patent number
5,831,776
Issue date
Nov 3, 1998
Nikon Corporation
Toshihiro Sasaya
G02 - OPTICS
Information
Patent Grant
Projection optical system and projection exposure apparatus
Patent number
5,805,344
Issue date
Sep 8, 1998
Nikon Corporation
Toshihiro Sasaya
G02 - OPTICS
Information
Patent Grant
Projection optical system and projection exposure apparatus using t...
Patent number
5,754,340
Issue date
May 19, 1998
Nikon Corporation
Kazuo Ushida
G02 - OPTICS
Information
Patent Grant
Projection optical system and projection exposure apparatus using t...
Patent number
5,636,000
Issue date
Jun 3, 1997
Nikon Corporation
Kazuo Ushida
G02 - OPTICS
Information
Patent Grant
Projection exposure apparatus
Patent number
5,576,801
Issue date
Nov 19, 1996
Nikon Corporation
Kazuo Ushida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Projection exposure apparatus
Patent number
5,530,518
Issue date
Jun 25, 1996
Nikon Corporation
Kazuo Ushida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Projection exposure apparatus
Patent number
5,311,362
Issue date
May 10, 1994
Nikon Corporation
Koichi Matsumoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Projection exposure apparatus
Patent number
4,965,630
Issue date
Oct 23, 1990
Nikon Corporation
Kinya Kato
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Projection exposure apparatus
Patent number
4,931,830
Issue date
Jun 5, 1990
Nikon Corporation
Kyoichi Suwa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Exposure method and system for photolithography
Patent number
4,734,746
Issue date
Mar 29, 1988
Nippon Kogaku K.K.
Kazuo Ushida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Objective lens for microscope of low magnification
Patent number
4,592,624
Issue date
Jun 3, 1986
Nippon Kogaku K.K.
Kazuo Ushida
G02 - OPTICS
Information
Patent Grant
Objective lens for microscope
Patent number
4,403,835
Issue date
Sep 13, 1983
Nippon Kogaku K.K.
Kazuo Ushida
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Projection exposure apparatus and method with adjustment of rotatio...
Publication number
20040046950
Publication date
Mar 11, 2004
Nikon Corporation
Toshihiro Sasaya
G02 - OPTICS
Information
Patent Application
Apparatus for preforming measurement of a dimension of a test mark...
Publication number
20020180948
Publication date
Dec 5, 2002
Ilya Grodnensky
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Exposure method
Publication number
20020177076
Publication date
Nov 28, 2002
Nikon Corporation
Masaya Komatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Projection exposure apparatus
Publication number
20020054282
Publication date
May 9, 2002
NIKON CORPORATION
Toshihiro Sasaya
G02 - OPTICS