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off-axis or unobscured systems in which all of the mirrors share a common axis of rotational symmetry
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G02B17/0828
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Parent Industries
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PHYSICS
G02
Optics
G02B
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
G02B17/00
Systems with reflecting surfaces, with or without refracting elements
Current Industry
G02B17/0828
off-axis or unobscured systems in which all of the mirrors share a common axis of rotational symmetry
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Patents Grants
last 30 patents
Information
Patent Grant
Projection optical system and projector
Patent number
10,466,452
Issue date
Nov 5, 2019
Seiko Epson Corporation
Nobutaka Minefuji
G02 - OPTICS
Information
Patent Grant
Projection optical system, exposure apparatus, and exposure method
Patent number
9,500,943
Issue date
Nov 22, 2016
Nikon Corporation
Yasuhiro Omura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Projection optical system, exposure apparatus, and exposure method
Patent number
9,470,968
Issue date
Oct 18, 2016
Nikon Corporation
Yasuhiro Omura
G02 - OPTICS
Information
Patent Grant
Projection optical system, exposure apparatus, and exposure method
Patent number
9,442,360
Issue date
Sep 13, 2016
Nikon Corporation
Yasuhiro Omura
G02 - OPTICS
Information
Patent Grant
Optical system for direct imaging of light markable material
Patent number
8,570,356
Issue date
Oct 29, 2013
John Michael Tamkin
F21 - LIGHTING
Information
Patent Grant
Exposure apparatus, optical projection apparatus and a method for a...
Patent number
7,956,984
Issue date
Jun 7, 2011
Nikon Corporation
Masashi Tanaka
G02 - OPTICS
Information
Patent Grant
Microlithographic reduction projection catadioptric objective
Patent number
7,859,748
Issue date
Dec 28, 2010
Carl Zeiss SMT GmbH
David R. Shafer
G02 - OPTICS
Information
Patent Grant
Catadioptric projection system for 157 nm lithography
Patent number
7,508,581
Issue date
Mar 24, 2009
Carl Zeiss SMT AG
Russell Hudyma
G02 - OPTICS
Information
Patent Grant
Exposure apparatus, optical projection apparatus and a method for a...
Patent number
7,372,543
Issue date
May 13, 2008
Nikon Corporation
Masashi Tanaka
G02 - OPTICS
Information
Patent Grant
Exposure apparatus, optical projection apparatus and a method for a...
Patent number
7,372,544
Issue date
May 13, 2008
Nikon Corporation
Masashi Tanaka
G02 - OPTICS
Information
Patent Grant
Microlithographic reduction projection catadioptric objective
Patent number
7,218,445
Issue date
May 15, 2007
Carl-Zeiss-Stiftung
David R. Shafer
G02 - OPTICS
Information
Patent Grant
Zoom optical system
Patent number
7,126,761
Issue date
Oct 24, 2006
Canon Kabushiki Kaisha
Manabu Hakko
G02 - OPTICS
Information
Patent Grant
Imaging optical system
Patent number
7,123,420
Issue date
Oct 17, 2006
NEC Viewtechnology, Ltd.
Eiki Matsuo
G02 - OPTICS
Information
Patent Grant
Exposure apparatus, optical projection apparatus and a method for a...
Patent number
7,088,425
Issue date
Aug 8, 2006
Nikon Corporation
Masashi Tanaka
G02 - OPTICS
Information
Patent Grant
Exposure apparatus, optical projection apparatus and a method for a...
Patent number
7,023,527
Issue date
Apr 4, 2006
Nikon Corporation
Masashi Tanaka
G02 - OPTICS
Information
Patent Grant
Imaging optical system
Patent number
6,950,240
Issue date
Sep 27, 2005
NEC Viewtechnology, Ltd.
Eiki Matsuo
G02 - OPTICS
Information
Patent Grant
Imaging optical system
Patent number
6,947,221
Issue date
Sep 20, 2005
NEC Viewtechnology, Ltd.
Eiki Matsuo
G02 - OPTICS
Information
Patent Grant
Imaging optical system
Patent number
6,879,444
Issue date
Apr 12, 2005
NEC Viewtechnology, Ltd.
Eiki Matsuo
G02 - OPTICS
Information
Patent Grant
Microlithographic reduction projection catadioptric objective
Patent number
6,873,476
Issue date
Mar 29, 2005
Carl-Zeiss-Stiftung
David R. Shafer
G02 - OPTICS
Information
Patent Grant
Exposure apparatus, optical projection apparatus and a method for a...
Patent number
6,795,169
Issue date
Sep 21, 2004
Nikon Corporation
Masashi Tanaka
G02 - OPTICS
Information
Patent Grant
Image-forming optical system
Patent number
6,771,427
Issue date
Aug 3, 2004
NEC Viewtechnology, Ltd.
Eiki Matsuo
G02 - OPTICS
Information
Patent Grant
Microlithographic reduction projection catadioptric objective
Patent number
6,636,350
Issue date
Oct 21, 2003
Carl-Zeiss-Stiftung
David R. Shafer
G02 - OPTICS
Information
Patent Grant
Exposure/imaging apparatus and method in which imaging characterist...
Patent number
6,556,278
Issue date
Apr 29, 2003
Nikon Corporation
Masashi Tanaka
G02 - OPTICS
Information
Patent Grant
Aperture stop having central aperture region defined by a circular...
Patent number
6,509,954
Issue date
Jan 21, 2003
Nikon Corporation
Masashi Tanaka
G02 - OPTICS
Information
Patent Grant
Illumination optical apparatus for illuminating a mask, method of m...
Patent number
6,480,262
Issue date
Nov 12, 2002
Nikon Corporation
Masashi Tanaka
G02 - OPTICS
Information
Patent Grant
Exposure apparatus and exposure method for transferring pattern ont...
Patent number
6,351,305
Issue date
Feb 26, 2002
Nikon Corporation
Masahi Tanaka
G02 - OPTICS
Information
Patent Grant
Exposure apparatus, optical projection apparatus and a method for a...
Patent number
5,729,331
Issue date
Mar 17, 1998
Nikon Corporation
Masashi Tanaka
G02 - OPTICS
Information
Patent Grant
Catadioptric reduction projection optical system
Patent number
5,668,673
Issue date
Sep 16, 1997
Nikon Corporation
Yutaka Suenaga
G02 - OPTICS
Information
Patent Grant
Catadioptric optical system
Patent number
5,592,329
Issue date
Jan 7, 1997
Nikon Corporation
Toshiro Ishiyama
G02 - OPTICS
Information
Patent Grant
Dual field of view multi wavelength sensor
Patent number
5,363,235
Issue date
Nov 8, 1994
Hughes Aircraft Company
Pul C. Kiunke
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL SYSTEM AND PROJECTOR
Publication number
20230176465
Publication date
Jun 8, 2023
SEIKO EPSON CORPORATION
Eiji Morikuni
G02 - OPTICS
Information
Patent Application
METHOD FOR THREE-DIMENSIONALLY MEASURING A 3D AERIAL IMAGE OF A LIT...
Publication number
20180357758
Publication date
Dec 13, 2018
Carl Zeiss SMT GMBH
Ulrich Matejka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Wafer Defect Inspection and Review Systems
Publication number
20170219807
Publication date
Aug 3, 2017
KLA-Tencor Corporation
Shiyu Zhang
G02 - OPTICS
Information
Patent Application
Optical System for Direct Imaging of Light Markable Material
Publication number
20140022786
Publication date
Jan 23, 2014
Sinclair Systems International LLC
John Tamkin
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
PROJECTION OPTICAL SYSTEM, EXPOSURE APPARATUS, AND EXPOSURE METHOD
Publication number
20130314679
Publication date
Nov 28, 2013
Nikon Corporation
Yasuhiro Omura
G02 - OPTICS
Information
Patent Application
Optical System for Direct Imaging of Light Markable Media
Publication number
20100309279
Publication date
Dec 9, 2010
John Michael Tamkin
G02 - OPTICS
Information
Patent Application
Exposure apparatus, optical projection apparatus and a method for a...
Publication number
20080192216
Publication date
Aug 14, 2008
Nikon Corporation
Masashi Tanaka
G02 - OPTICS
Information
Patent Application
CATADIOPTRIC PROJECTION SYSTEM FOR 157nm LITHOGRAPHY
Publication number
20070273965
Publication date
Nov 29, 2007
Carl Zeiss SMT AG
Russell Hudyma
G02 - OPTICS
Information
Patent Application
Exposure apparatus, optical projection apparatus and a method for a...
Publication number
20070216885
Publication date
Sep 20, 2007
Nikon Corporation
Masashi Tanaka
G02 - OPTICS
Information
Patent Application
MICROLITHOGRAPHIC REDUCTION PROJECTION CATADIOPTRIC OBJECTIVE
Publication number
20070153398
Publication date
Jul 5, 2007
Carl-Zeiss-Stiftung
David R. Shafer
G02 - OPTICS
Information
Patent Application
Exposure apparatus, optical projection apparatus and a method for a...
Publication number
20060238729
Publication date
Oct 26, 2006
Nikon Corporation
Masashi Tanaka
G02 - OPTICS
Information
Patent Application
Imaging optical system
Publication number
20060077567
Publication date
Apr 13, 2006
NEC VIEWTECHNOLOGY, LTD.
Eiki Matsuo
G02 - OPTICS
Information
Patent Application
Zoom optical system
Publication number
20060050407
Publication date
Mar 9, 2006
Manabu Hakko
G02 - OPTICS
Information
Patent Application
Exposure apparatus, optical projection apparatus and a method for a...
Publication number
20050185162
Publication date
Aug 25, 2005
Nikon Corporation
Masashi Tanaka
G02 - OPTICS
Information
Patent Application
Exposure apparatus, optical projection apparatus and a method for a...
Publication number
20050012917
Publication date
Jan 20, 2005
Nikon Corporation
Masashi Tanaka
G02 - OPTICS
Information
Patent Application
Imaging optical system
Publication number
20040196568
Publication date
Oct 7, 2004
NEC VIEWTECHNOLOGY, LTD.
Eiki Matsuo
G02 - OPTICS
Information
Patent Application
Imaging optical system
Publication number
20040114256
Publication date
Jun 17, 2004
NEC VIEWTECHNOLOGY, LTD.
Eiki Matsuo
G02 - OPTICS
Information
Patent Application
Imaging optical system
Publication number
20040114255
Publication date
Jun 17, 2004
NEC VIEWTECHNOLOGY, LTD.
Eiki Matsuo
G02 - OPTICS
Information
Patent Application
Microlithographic reduction projection catadioptric objective
Publication number
20040027653
Publication date
Feb 12, 2004
Carl-Zeiss-Stiftung
David R. Shafer
G02 - OPTICS
Information
Patent Application
Exposure apparatus, optical projection apparatus and a method for a...
Publication number
20030137644
Publication date
Jul 24, 2003
NIKON CORPORATION
Masashi Tanaka
G02 - OPTICS
Information
Patent Application
Microlithographic reduction projection catadioptric objective
Publication number
20020012100
Publication date
Jan 31, 2002
David R. Shafer
G02 - OPTICS
Information
Patent Application
Microlithographic reduction projection catadioptric objective
Publication number
20010043391
Publication date
Nov 22, 2001
David R. Shafer
G02 - OPTICS