KH

Keigo Hoshikawa

FM Fujikoshi Machinery: 6 patents #11 of 85Top 15%
SU Shinshu University: 4 patents #14 of 261Top 6%
CC Chichibu Cement Co.: 2 patents #15 of 80Top 20%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
NP Nippon Telegraph And Telephone Public: 1 patents #297 of 842Top 40%
Kyocera: 1 patents #2,054 of 3,732Top 60%
NT Novel Crystal Technology: 1 patents #10 of 20Top 50%
Overall (All Time): #434,292 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
12258674 Production apparatus for metal oxide single crystal and production method for metal oxide single crystal Toshinori TAISHI, Takumi Kobayashi 2025-03-25
11795568 Production apparatus for gallium oxide crystal capable of preventing harmful substances formed in furnace from being diffused to surroundings of furnace Toshinori TAISHI, Takumi Kobayashi, Yoshio Otsuka, Etsuko Ohba 2023-10-24
11674238 Crucible for growing metal oxide single crystal Takumi Kobayashi, Yoshio Otsuka 2023-06-13
11674239 Gallium oxide crystal manufacturing device Takumi Kobayashi, Yoshio Otsuka, Toshinori TAISHI 2023-06-13
11248311 Sapphire ribbon and apparatus for manufacturing single crystal ribbons Akeo Fukui 2022-02-15
10570528 Apparatus and method for producing gallium oxide crystal Takumi Kobayashi, Etsuko Ohba, 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 Yasuyuki Fujiwara, Keiichi Kohama, Shinji Nakanishi, Takumi Kobayashi, Etsuko Ohba 2019-05-07
6451108 Method for manufacturing dislocation-free silicon single crystal Xinming Huang, Tatsuo Fukami, Toshinori TAISHI 2002-09-17
5458083 Growth method for a rod form of single oxide crystal Tsuguo Fukuda, Hiroshi Machida 1995-10-17
5431124 Rutile single crystals and their growth processes Hiroshi Machida, Tsuguo Fukuda 1995-07-11
4863554 Process for pulling a single crystal Akihisa Kawasaki, Toshihiro Kotani, Ryusuke Nakai, Shintaro Miyazawa 1989-09-05