Takeshi Aoyama

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Niigata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for purifying chlorosilanes
- Patent number 9,126,838
- Issue date Sep 8, 2015
- Shin-Etsu Chemical Co., Ltd.
- Masayuki Hasegawa
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for producing polycrystalline silicon
- Patent number 7,691,357
- Issue date Apr 6, 2010
- Shin-Etsu Chemical Co., Ltd.
- Takaaki Shimizu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
POLYSILICON ROD AND METHOD FOR MANUFACTURING POLYSILICON ROD
- Publication number 20240150934
- Publication date May 9, 2024
- Shin-Etsu Chemical Co., Ltd.
- Atsushi YOSHIDA
- C30 - CRYSTAL GROWTH
Information Patent Application
POLYSILICON ROD AND METHOD FOR MANUFACTURING POLYSILICON ROD
- Publication number 20240025754
- Publication date Jan 25, 2024
- Shin-Etsu Chemical Co., Ltd.
- Atsushi YOSHIDA
- C01 - INORGANIC CHEMISTRY
Information Patent Application
POLYSILICON ROD AND METHOD FOR MANUFACTURING POLYSILICON ROD
- Publication number 20210395097
- Publication date Dec 23, 2021
- Shin-Etsu Chemical Co., Ltd.
- Atsushi YOSHIDA
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PURIFYING CHLOROSILANES
- Publication number 20130177492
- Publication date Jul 11, 2013
- Shin-Etsu Chemical Co., Ltd.
- Masayuki Hasegawa
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING POLYCRYSTALLINE SILICON
- Publication number 20090060822
- Publication date Mar 5, 2009
- SHIN-ETSU CHEMICAL CO., LTD.
- Takaaki Shimizu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...