Masaru Takahama

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cleaning liquid for lithography and method for forming wiring
- Patent number 8,354,365
- Issue date Jan 15, 2013
- Tokyo Ohka Kogyo Co., Ltd.
- Takuya Ohhashi
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Cleaning liquid for lithography and method for forming wiring
- Patent number 8,206,509
- Issue date Jun 26, 2012
- Tokyo Ohka Kogyo Co., Ltd.
- Takahiro Eto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Composition for forming silica-based coating film
- Patent number 7,939,590
- Issue date May 10, 2011
- Tokyo Ohka Kogyo Co., Ltd.
- Hiroyuki Iida
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
CLEANING LIQUID FOR LITHOGRAPHY AND METHOD FOR FORMING WIRING
- Publication number 20110195573
- Publication date Aug 11, 2011
- Tokyo Ohka Kogyo Co., Ltd.
- Takuya Ohhashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CLEANING LIQUID FOR LITHOGRAPHY AND METHOD FOR FORMING WIRING
- Publication number 20110129998
- Publication date Jun 2, 2011
- Tokyo Ohka Kogyo Co., Ltd.
- Takahiro ETO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
COMPOSITION FOR FORMING SILICA-BASED COATING FILM
- Publication number 20090018247
- Publication date Jan 15, 2009
- Tokyo Ohka Kogyo Co., Ltd.
- Hiroyuki Iida
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Composition For Forming Antireflective Film And Wiring Forming Meth...
- Publication number 20080318165
- Publication date Dec 25, 2008
- Tokyo Ohka Kogyo Co., Ltd.
- Takeshi Tanaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Composition for forming anti-reflective coating film, anti-reflecti...
- Publication number 20050267277
- Publication date Dec 1, 2005
- Masaru Takahama
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...