Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6097246 | Current limiting breaking device using electromagnetic repulsion coil | Jun Matsuzaki, Hiroshi Ohashi, Hideki Hachiya | 2000-08-01 |
| 5617280 | Superconducting fault current limiter | Tsukushi Hara, Takeshi Ohkuma, Takahiko Yamamoto, Daisuke Ito, Takamitsu Tada | 1997-04-01 |
| 5414586 | Superconducting current limiting device | Tsukushi Hara, Takeshi Ohkuma, Daisuke Ito, Takamitsu Tada | 1995-05-09 |
| 5225956 | Superconducting AC current limiter equipped with quick-recoverable trigger coils | Tsukushi Hara, Kiyoshi Okaniwa, Mitsuhito Sawamura, Yoshihisa Masuda, Daisuke Ito | 1993-07-06 |
| 5225957 | Current limiting device | — | 1993-07-06 |
| 5021914 | Superconducting switch and current limiter using such a switch | Yoshihisa Masuda, Hiroyuki Okumura, Daisuke Ito | 1991-06-04 |