Tomohiro MEGUMI

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Niihama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing boron added purified silicon
- Patent number 8,187,564
- Issue date May 29, 2012
- Sumitomo Chemical Company, Limited
- Tomohiro Megumi
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
SILICON FOR N-TYPE SOLAR CELLS AND A METHOD OF PRODUCING PHOSPHORUS...
- Publication number 20110233478
- Publication date Sep 29, 2011
- Sumitomo Chemical Company, Limited
- Tomohiro Megumi
- C30 - CRYSTAL GROWTH
Information Patent Application
METHOD FOR PURIFYING MATERIAL CONTAINING METALLOID ELEMENT OR METAL...
- Publication number 20110167961
- Publication date Jul 14, 2011
- Sumitomo Chemical Company, Limited
- Kunio Saugusa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR PRODUCTION OF PURIFIED SILICON
- Publication number 20100329958
- Publication date Dec 30, 2010
- SUMITOMO CHEMICAL COMPANY, LIMITED
- Tomohiro Megumi
- C30 - CRYSTAL GROWTH
Information Patent Application
PROCESS FOR PRODUCING BORON ADDED PURIFIED SILICON
- Publication number 20090208401
- Publication date Aug 20, 2009
- Tomohiro MEGUMI
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PRODUCING PURIFIED SILICON
- Publication number 20090101301
- Publication date Apr 23, 2009
- Tomohiro MEGUMI
- B22 - CASTING POWDER METALLURGY