Naoya Katsumata

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Photosensitive resin compositions and photosensitive dry films usin...
- Patent number 8,372,577
- Issue date Feb 12, 2013
- Tokyo Ohka Kogyo Co., Ltd.
- Yukihiko Tanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photosensitive laminate film for forming top plate portion of preci...
- Patent number 8,052,828
- Issue date Nov 8, 2011
- Tokyo Okha Kogyo Co., Ltd.
- Toru Takahashi
- B32 - LAYERED PRODUCTS
Information Patent Grant
Chemically amplified positive photosensitive thermosetting resin co...
- Patent number 7,871,756
- Issue date Jan 18, 2011
- Tokyo Ohka Kogyo Co., Ltd.
- Toru Takahashi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Photosensitive resin composition and photosensitive dry film by the...
- Patent number 7,662,541
- Issue date Feb 16, 2010
- Tokyo Ohka Kogyo Co., Ltd.
- Teruhiro Uematsu
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Water based photopolymerizable resin composition
- Patent number 4,933,260
- Issue date Jun 12, 1990
- Tokyo Ohka Kogyo Co., Ltd.
- Naoya Katsumata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Photosensitive resin compositions and photosensitive dry films usin...
- Publication number 20110065046
- Publication date Mar 17, 2011
- Yukihiko Tanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Photosensitive Laminate Film for Forming Top Plate Portion of Preci...
- Publication number 20080213596
- Publication date Sep 4, 2008
- Tokyo Ohka Kogyo Co., Ltd.
- Toru Takahashi
- B32 - LAYERED PRODUCTS
Information Patent Application
Chemically Amplified Positive Photosensitive Thermosetting Resin Co...
- Publication number 20080044764
- Publication date Feb 21, 2008
- Toru Takahashi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Photosensitive Resin Composition and Photosensitive Dry Film by the...
- Publication number 20070292804
- Publication date Dec 20, 2007
- Tokyo Ohka Kogyo Co., Ltd.
- Teruhiro Uematsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Photosensitive Resin Composition and Photosensitive Dry Film by the...
- Publication number 20070264601
- Publication date Nov 15, 2007
- Tokyo Ohka Kogyo Co., Ltd.
- Teruhiro Uematsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY