Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11773758 | Variable valve mechanism | Atsushi Hisano, Youta Sakurai, Yoshichika Sato | 2023-10-03 |
| 10199905 | Cooling medium supply/discharge device and superconducting rotary machine including cooling medium supply/discharge device | Katsuya Umemoto, Kiyoshi Aizawa | 2019-02-05 |
| 9577504 | Cryogen supply and return device for use with cryogen rotating electric machine and superconducting rotating electric machine with cryogen supply and return device | Katsuya Umemoto, Kiyoshi Aizawa, Minoru Yokoyama, Kagao Okumura, Mitsugi Yamaguchi +2 more | 2017-02-21 |
| 9397546 | Field rotor with cooling passages for superconducting electric machine | Katsuya Umemoto, Yoshichika Sato | 2016-07-19 |