Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5238911 | Oxide superconductor Bi--Sr--Ca--Mg--Ba--Cu--O | Hidegi Kuwajima, Keiji Sumiya, Toranosuke Ashizawa, Minoru Ishihara, Shozo Yamana | 1993-08-24 |
| 5194421 | Bi-Pb-Sr-Mg-Ba-Ca-Cu-O oxide superconductors and production thereof | Toranosuke Ashizawa, Keiji Sumiya, Hideji Kuwajima, Minoru Ishihara, Shozo Yamana | 1993-03-16 |
| 5147851 | Superconducting thick film circuit board, production thereof, thick film superconductor and production thereof | Shozo Yamana, Hideji Kuwajima, Minoru Ishihara, Keiji Sumiya, Toranosuke Ashizawa | 1992-09-15 |