Tadashi Matsuo

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Patents Grantslast 30 patents

Information Patent Grant
Reflective photomask and reflective photomask blank
- Patent number 8,962,220
- Issue date Feb 24, 2015
- Toppan Printing Co., Ltd.
- Tadashi Matsuo
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Reflection type photomask blank, manufacturing method thereof, refl...
- Patent number 8,394,558
- Issue date Mar 12, 2013
- Toppan Printing Co., Ltd.
- Tadashi Matsuo
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Reflection type photomask blank, reflection type photomask, and met...
- Patent number 7,838,177
- Issue date Nov 23, 2010
- Toppan Printing Co., Ltd.
- Koichiro Kanayama
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Halftone phase shift mask, blank for the same, and methods of manuf...
- Patent number 5,935,735
- Issue date Aug 10, 1999
- Toppan Printing Co., Ltd.
- Kinji Okubo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
REFLECTIVE PHOTOMASK AND REFLECTIVE PHOTOMASK BLANK
- Publication number 20120021344
- Publication date Jan 26, 2012
- Tadashi Matsuo
- B82 - NANO-TECHNOLOGY
Information Patent Application
Reflection type photomask blank, manufacturing method thereof, refl...
- Publication number 20090042110
- Publication date Feb 12, 2009
- Toppan Printing Co., Ltd.
- Tadashi Matsuo
- B82 - NANO-TECHNOLOGY
Information Patent Application
Reflection type photomask blank, reflection type photomask, and met...
- Publication number 20070238033
- Publication date Oct 11, 2007
- Toppan Printing Co., Ltd.
- Koichiro Kanayama
- B82 - NANO-TECHNOLOGY