Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11795568 | Production apparatus for gallium oxide crystal capable of preventing harmful substances formed in furnace from being diffused to surroundings of furnace | Keigo Hoshikawa, Toshinori TAISHI, Takumi Kobayashi, Yoshio Otsuka | 2023-10-24 |
| 10570528 | Apparatus and method for producing gallium oxide crystal | Keigo Hoshikawa, Takumi Kobayashi, Jun Yanagisawa | 2020-02-25 |
| 10280530 | Apparatus for producing a single crystal of a metal oxide comprising a Pt-Rh alloy heater coated with zirconia | Keigo Hoshikawa, Yasuyuki Fujiwara, Keiichi Kohama, Shinji Nakanishi, Takumi Kobayashi | 2019-05-07 |