Kouta Hasebe — 7 Patents at Sumco

Kouta Hasebe has been granted 7 US patents while listed as an inventor at Sumco. The first was granted in 2012 and the most recent in March 2025. Kouta Hasebe ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Kouta Hasebe in Akita, JP.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #	Title	Co-Inventors	Date
12252804	Quartz glass crucible	Hiroshi Kishi, Takahiro Abe, Hideki Fujiwara	2025-03-18
12043916	Quartz glass crucible with crystallization-accelerator-containing layer having gradient concentration	Toshiyuki Nakao, Hiroshi Kishi, Hideki Fujiwara	2024-07-23
11473209	Quartz glass crucible and manufacturing method thereof	Hiroshi Kishi, Takahiro Abe, Hideki Fujiwara, Eriko Kitahara	2022-10-18
11466381	Quartz glass crucible	Hiroshi Kishi, Takahiro Abe, Hideki Fujiwara	2022-10-11
11162186	Quartz glass crucible, manufacturing method thereof, and manufacturing method of silicon single crystal using quartz glass crucible	Hiroshi Kishi, Takahiro Abe, Hideki Fujiwara	2021-11-02
8769988	Method and apparatus for manufacturing vitreous silica crucible	Toshiaki Sudo, Hiroshi Kishi	2014-07-08
8276402	Method and apparatus for manufacturing vitreous silica crucible	Toshiaki Sudo, Hiroshi Kishi	2012-10-02

Kouta Hasebe — 7 Patents

Issued Patents All Time

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