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Nobuyuki Yoshioka
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Ibaraki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Phase shifter film and process for the same
Patent number
7,282,308
Issue date
Oct 16, 2007
Ulvac Coating Corporation
Susumu Kawada
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Phase shifter film and process for the same
Patent number
7,090,947
Issue date
Aug 15, 2006
Ulvac Coating Corporation
Susumu Kawada
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of and apparatus for washing photomask and washing solution...
Patent number
7,077,915
Issue date
Jul 18, 2006
Renesas Technology Corp.
Yoshikazu Nagamura
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Phase-shifting photomask blank, phase-shifting photomask, method fo...
Patent number
6,689,515
Issue date
Feb 10, 2004
Ulvac Coating Corporation
Nobuyuki Yoshioka
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Phase-shift photo mask blank, phase-shift photo mask and method for...
Patent number
6,569,577
Issue date
May 27, 2003
Ulvac Coating Corporation
Akihiko Isao
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photomask, manufacturing method thereof, and semiconductor device
Patent number
6,340,543
Issue date
Jan 22, 2002
Mitsubishi Denki Kabushiki Kaisha
Yoshikazu Nagamura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Registration accuracy measurement mark, method of repairing defect...
Patent number
6,323,560
Issue date
Nov 27, 2001
Mitsubishi Denki Kabushiki Kaisha
Koichiro Narimatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method and apparatus for cleaning photomask
Patent number
6,277,205
Issue date
Aug 21, 2001
Mitsubishi Denki Kabushiki Kaisha
Yoshikazu Nagamura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Phase-shifting photomask blank, phase-shifting photomask, method fo...
Patent number
6,228,541
Issue date
May 8, 2001
Ulvac Coating Corporation
Akihiko Isao
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of and apparatus for washing photomask and washing solution...
Patent number
6,209,553
Issue date
Apr 3, 2001
MitsubishiDenki Kabushiki Kaisha
Yoshikazu Nagamura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method and apparatus for cleaning photomask
Patent number
6,071,376
Issue date
Jun 6, 2000
Mitsubishi Denki Kabushiki Kaisha
Yoshikazu Nagamura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Registration accuracy measurement mark, method of repairing defect...
Patent number
6,068,952
Issue date
May 30, 2000
Mitsubishi Denki Kabushiki Kaisha
Koichiro Narimatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Phase shift mask of attenuation type and manufacturing method thereof
Patent number
6,048,647
Issue date
Apr 11, 2000
Mitsubishi Denki Kabushiki Kaisha
Junji Miyazaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Phase-shifting photomask blank and method of manufacturing the same...
Patent number
5,952,128
Issue date
Sep 14, 1999
Ulvac Coating Corporation
Akihiko Isao
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of manufacturing phase-shifting photomask blank
Patent number
5,938,897
Issue date
Aug 17, 1999
Ulcoat (Ulvac Coating Corporation)
Akihiko Isao
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Registration accuracy measurement mark
Patent number
5,892,291
Issue date
Apr 6, 1999
Mitsubishi Denki Kabushiki Kaisha
Koichiro Narimatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Phase shift mask and manufacturing method thereof and exposure meth...
Patent number
5,830,607
Issue date
Nov 3, 1998
ULVAC Coating Corporation
Akihiko Isao
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Phase shift mask and manufacturing method thereof and exposure meth...
Patent number
5,691,090
Issue date
Nov 25, 1997
ULVAC Coating Corporation
Akihiko Isao
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Phase shift mask and manufacturing method thereof and exposure meth...
Patent number
5,674,647
Issue date
Oct 7, 1997
ULVAC Coating Corporation
Akihiko Isao
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method of exposure employing phase shift mask of attenuation type
Patent number
5,644,381
Issue date
Jul 1, 1997
Mitsubishi Denki Kabushiki Kaisha
Junji Miyazaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Phase shift mask and manufacturing method thereof and exposure meth...
Patent number
5,629,114
Issue date
May 13, 1997
ULVAC Coating Corporation
Akihiko Isao
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Phase-shifting photomask blank, phase-shifting photomask, and metho...
Patent number
5,605,776
Issue date
Feb 25, 1997
Ulvac Coating Corporation
Akihiko Isao
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Attenuating type phase shifting mask, method of manufacturing there...
Patent number
5,593,801
Issue date
Jan 14, 1997
Mitsubishi Denki Kabushiki Kaisha
Nobuyuki Yoshioka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Semiconductor device having diffusion regions formed with an ion be...
Patent number
5,585,658
Issue date
Dec 17, 1996
Mitsubishi Denki Kabushiki Kaisha
Takao Mukai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of ion implantation
Patent number
5,543,342
Issue date
Aug 6, 1996
Mitsubishi Denki Kabushiki Kaisha
Takao Mukai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
X-ray mask and its fabrication method
Patent number
5,496,667
Issue date
Mar 5, 1996
Mitsubishi Denki Kabushiki Kaisha
Hideki Yabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Phase shift mask and manufacturing method thereof
Patent number
5,482,799
Issue date
Jan 9, 1996
Mitsubishi Denki Kabushiki Kaisha
Akihiko Isao
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Phase shift mask and manufacturing method thereof and exposure meth...
Patent number
5,474,864
Issue date
Dec 12, 1995
ULVAC Coating Corporation
Akihiko Isao
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Phase shift mask and method for repairing a defect of a phase shift...
Patent number
5,464,713
Issue date
Nov 7, 1995
Mitsubishi Denki Kabushiki Kaisha
Nobuyuki Yoshioka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Attenuating type phase shifting mask and method of manufacturing th...
Patent number
5,429,897
Issue date
Jul 4, 1995
Mitsubishi Denki Kabushiki Kaisha
Nobuyuki Yoshioka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
Mask Pattern Designing Method Using Optical Proximity Correction in...
Publication number
20080276215
Publication date
Nov 6, 2008
National Inst. of Adv. Indust. Science and Tech.
Tetsuya Higuchi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method for designing mask pattern and method for manufacturing semi...
Publication number
20080250383
Publication date
Oct 9, 2008
Toshihiko Tanaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Phase shifter film and process for the same
Publication number
20070009810
Publication date
Jan 11, 2007
ULVAC COATING CORPORATION
Susumu Kawada
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Method of and apparatus for washing photomask and washing solution...
Publication number
20040079386
Publication date
Apr 29, 2004
Mitsubishi Denki Kabushiki Kaisha
Yoshikazu Nagamura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Phase shifter film and process for the same
Publication number
20020009653
Publication date
Jan 24, 2002
ULVAC COATING CORPORATION and MITSUBISHI DENKI KABUSHIKI KAISHA
Susumu Kawada
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Phase-shifting photomask blank, phase-shifting photomask, method fo...
Publication number
20010018154
Publication date
Aug 30, 2001
Ulvac Coating Corporation
Nobuyuki Yoshioka
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Method of and apparatus for washing photomask and washing solution...
Publication number
20010008137
Publication date
Jul 19, 2001
Mitsubishi Denki Kabushiki Kaisha
Yoshikazu Nagamura
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC