Wataru Sugimura — 23 Patents at Sumco

Wataru Sugimura has been granted 23 US patents while listed as an inventor at Sumco. The first was granted in 2007 and the most recent in January 2024. Wataru Sugimura ranks #178,160 of 4,157,543 US inventors in our database (top 4.3%). Patent records list Wataru Sugimura in Tokyo, JP.

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #	Title	Co-Inventors	Date
11885038	Method of estimating convection pattern of silicon melt, method of estimating oxygen concentration of silicon single crystal, method of manufacturing silicon single crystal, and raising device of silicon single crystal	Ryusuke Yokoyama, Toshiyuki Fujiwara, Toshiaki Ono	2024-01-30
11781242	Method for controlling convection pattern of silicon melt, method for producing silicon single crystals, and device for pulling silicon single crystals	Hideki Sakamoto, Ryusuke Yokoyama, Naoki Matsushima	2023-10-10
11441238	Silicon monocrystal manufacturing method and silicon monocrystal pulling device	Ryusuke Yokoyama, Hideki Sakamoto	2022-09-13
11261540	Method of controlling convection patterns of silicon melt and method of manufacturing silicon single crystal	Naoki Matsushima, Ryusuke Yokoyama, Hideki Sakamoto	2022-03-01
11186921	Method for controlling convection pattern of silicon melt and method for producing monocrystalline silicon	Ryusuke Yokoyama	2021-11-30
11078595	Method of producing silicon single crystal ingot and silicon single crystal ingot	Masataka Hourai, Toshiaki Ono, Toshiyuki Fujiwara	2021-08-03
10858753	Method and apparatus for manufacturing silicon single crystal	Ryusuke Yokoyama, Mitsuaki Hayashi	2020-12-08
10415150	Apparatus for manufacturing silicon single crystal and melt inlet pipe of the same	Mitsuaki Hayashi, Ippei Shimozaki	2019-09-17
8758505	Silicon wafer and method for manufacturing the same	Toshiaki Ono, Masataka Hourai	2014-06-24
8617311	Silicon single crystal wafer for IGBT and method for manufacturing silicon single crystal wafer for IGBT	Toshiaki Ono, Shigeru Umeno, Masataka Hourai	2013-12-31
7824493	Silicon wafer and method for manufacturing the same	Toshiaki Ono, Masataka Hourai	2010-11-02
7790573	Process for producing SOI substrate and process for regeneration of layer transferred wafer in the production	Akihiko Endo, Toshiaki Ono	2010-09-07
7704318	Silicon wafer, SOI substrate, method for growing silicon single crystal, method for manufacturing silicon wafer, and method for manufacturing SOI substrate	Masataka Hourai, Toshiaki Ono, Tadami Tanaka	2010-04-27
7700394	Method for manufacturing silicon wafer method	Shinsuke Sadamitsu, Masanori Akatsuka, Masataka Hourai	2010-04-20
7637997	Silicon wafer, method for producing silicon wafer and method for growing silicon single crystal	Toshiaki Ono, Masataka Hourai	2009-12-29
7628854	Process for producing silicon single crystal	Toshiaki Ono, Takayuki Kubo, Akira Higuchi, Ken Nakajima	2009-12-08
7435294	Method for manufacturing silicon single crystal, and silicon wafer	Toshiaki Ono, Masataka Hourai	2008-10-14
7384480	Apparatus for manufacturing semiconductor single crystal	Toshiaki Ono, Masataka Hourai	2008-06-10
7374741	Method for growing silicon single crystal and silicon wafer	Toshiaki Ono, Masataka Hourai	2008-05-20
7364618	Silicon wafer, method for manufacturing the same and method for growing silicon single crystals	Masataka Hourai, Toshiaki Ono	2008-04-29
7320731	Process for growing silicon single crystal and process for producing silicon wafer	Toshiaki Ono, Masataka Hourai	2008-01-22
7306676	Apparatus for manufacturing semiconductor single crystal	Toshiaki Ono, Masataka Hourai	2007-12-11
7300517	Manufacturing method of hydrogen-doped silicon single crystal	Masataka Hourai	2007-11-27

Wataru Sugimura — 23 Patents

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