HY

Hisao Yamauchi

IC International Superconductivity Technology Center: 29 patents #2 of 245Top 1%
Sumitomo Electric Industries: 12 patents #2,165 of 21,551Top 15%
TC Tohoku Electric Power Company: 11 patents #1 of 246Top 1%
Kyocera: 8 patents #314 of 3,732Top 9%
FC Furukawa Electric Co.: 6 patents #331 of 2,370Top 15%
SC Sanyo Electric Co.: 4 patents #1,493 of 6,347Top 25%
HI Hitachi: 3 patents #10,712 of 28,497Top 40%
MM Mitsubishi Metal: 3 patents #9 of 150Top 6%
UI Ube Industries: 2 patents #593 of 1,686Top 40%
KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
OC Osaka Gas Co.: 1 patents #252 of 689Top 40%
MM Mitsubishi Materials: 1 patents #812 of 1,543Top 55%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
TC Taiyo Holdings Co.: 1 patents #16 of 73Top 25%
MK Mitsubishi Denki K.K.: 1 patents #164 of 577Top 30%
KS Kobe Steel: 1 patents #857 of 2,031Top 45%
TC Tokyo Gas Co.: 1 patents #144 of 412Top 35%
TE Toyo Engineering: 1 patents #103 of 295Top 35%
HC Hokkaido Electric Power Co.: 1 patents #23 of 84Top 30%
Overall (All Time): #132,999 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 26–29 of 29 patents

Patent #TitleCo-InventorsDate
5190914 Superconducting material of metal oxides Shin-ichi Koriyama, Kazuhiro Sakuyama, Toshihiko Maeda, Shoji Tanaka 1993-03-02
5169830 Superconducting material Takahiro Wada, Shinichi Koriyama, Takeshi Sakurai, Nobuo Suzuki, Takayuki Miyatake +2 more 1992-12-08
5149683 Method for producing oxide superconductor Takahiro Wada, Nobuo Suzuki, Ataru Ichinose, Yuji Yaegashi, Shoji Tanaka 1992-09-22
5035597 Apparatus for manufacturing multi-element sintered material Shoji Tanaka, Yukio Yamada, Masayoshi Ohnuki, Etsuji Morita, Mitsunobu Toyoshima +6 more 1991-07-30