Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6382910 | Turbine expansion machine with variable nozzle mechanism | Takashi Kato, Katsumi Kawano, Toru Shimba, Tadao Hiyama, Hiroshi Tsuji +3 more | 2002-05-07 |
| 5347819 | Method and apparatus for manufacturing superfluidity helium | Hiroshi Ohya, Hiroshi Asakura, Shunji Nagai | 1994-09-20 |