RT

Ryukichi Takahashi

HI Hitachi: 6 patents #6,582 of 28,497Top 25%
HC Hitachi Cable: 1 patents #530 of 1,086Top 50%
Overall (All Time): #888,327 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5628835 Nb.sub.3 Al Group superconductor containing ultrafine Nb.sub.2 Al particles Naofumi Tada, Fumio Iida, Takaaki Suzuki 1997-05-13
5620532 Method for manufacturing Nb.sub.3 Al group superconductor Naofumi Tada, Fumio Iida, Takaaki Suzuki 1997-04-15
5598710 Superconducting apparatus and method for operating said superconducting apparatus Hiroshi Tomeoku, Kiyoshi Yamaguchi, Toshiharu Tominaka, Naoki Maki 1997-02-04
5396205 Unspliced superconducting coil device with high stability Fumio Iida, Naofumi Tada 1995-03-07
5189386 Aluminum-stabilized superconductor and superconducting coil, and method of manufacturing the superconductor Naofumi Tada, Fumio Iida, Naoki Maki, Shuji Sakai, Yoshiji Hotta 1993-02-23
5094173 Superconducting magnetic levitated train, train system method of controlling the same, and superconducting coil for magnetic levitated train Naofumi Tada, Fumio Iida 1992-03-10