Takahisa Nakashima

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Karatsu-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Alkali etching liquid for silicon wafer and etching method using same
- Patent number 8,298,437
- Issue date Oct 30, 2012
- Sumco Corporation
- Takahisa Nakashima
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Alkali etching liquid for silicon wafer and etching method using same
- Patent number 7,618,897
- Issue date Nov 17, 2009
- Sumco Corporation
- Takahisa Nakashima
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ALKALI ETCHING LIQUID FOR SILICON WAFER AND ETCHING METHOD USING SAME
- Publication number 20100025624
- Publication date Feb 4, 2010
- SUMCO CORPORATION
- Takahisa Nakashima
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
SLURRY FOR WIRE SAW
- Publication number 20090211167
- Publication date Aug 27, 2009
- SUMCO CORPORATION
- Satoshi MATAGAWA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Alkali etching liquid for silicon wafer and etching method using same
- Publication number 20060124590
- Publication date Jun 15, 2006
- SUMCO CORPORATION
- Takahisa Nakashima
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...