Youichi Usui

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Shinjuku-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Mask blank substrate, substrate with multilayer reflection film, tr...
- Patent number 10,620,527
- Issue date Apr 14, 2020
- Hoya Corporation
- Kazuhiro Hamamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Mask blank substrate, substrate with multilayer reflection film, tr...
- Patent number 10,429,728
- Issue date Oct 1, 2019
- Hoya Corporation
- Kazuhiro Hamamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Mask blank substrate, substrate with multilayer reflection film, tr...
- Patent number 9,897,909
- Issue date Feb 20, 2018
- Hoya Corporation
- Kazuhiro Hamamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Mask blank substrate, substrate with multilayer reflection film, tr...
- Patent number 9,494,851
- Issue date Nov 15, 2016
- Hoya Corporation
- Toshihiko Orihara
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Mask blank substrate, substrate with multilayer reflection film, tr...
- Patent number 9,348,217
- Issue date May 24, 2016
- Hoya Corporation
- Kazuhiro Hamamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
MASK BLANK SUBSTRATE, SUBSTRATE WITH MULTILAYER REFLECTION FILM, TR...
- Publication number 20190361337
- Publication date Nov 28, 2019
- HOYA CORPORATION
- Kazuhiro HAMAMOTO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MASK BLANK SUBSTRATE, SUBSTRATE WITH MULTILAYER REFLECTION FILM, TR...
- Publication number 20180081264
- Publication date Mar 22, 2018
- HOYA CORPORATION
- Kazuhiro HAMAMOTO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MASK BLANK SUBSTRATE, SUBSTRATE WITH MULTILAYER REFLECTION FILM, TR...
- Publication number 20170023853
- Publication date Jan 26, 2017
- HOYA CORPORATION
- Kazuhiro HAMAMOTO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MASK BLANK SUBSTRATE, SUBSTRATE WITH MULTILAYER REFLECTION FILM, TR...
- Publication number 20170010527
- Publication date Jan 12, 2017
- HOYA CORPORATION
- Toshihiko ORIHARA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MASK BLANK SUBSTRATE, SUBSTRATE WITH MULTILAYER REFLECTION FILM, TR...
- Publication number 20150017574
- Publication date Jan 15, 2015
- HOYA CORPORATION
- Toshihiko Orihara
- G02 - OPTICS
Information Patent Application
MASK BLANK SUBSTRATE, SUBSTRATE WITH MULTILAYER REFLECTION FILM, TR...
- Publication number 20140329174
- Publication date Nov 6, 2014
- HOYA CORPORATION
- Kazuhiro Hamamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY