Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4954053 | Free-piston compressor with gas spring control | Terumaru Harada | 1990-09-04 |
| 4870821 | Reciprocation apparatus with sealing mechanism | Terumaru Harada, Tatsuo Fujita, Kinichi Adachi | 1989-10-03 |
| 4769992 | Reciprocation apparatus with sealing mechanism | Terumaru Harada, Tatsuo Fujita, Kinichi Adachi | 1988-09-13 |
| 4742679 | Stirling engine | Terumaru Harada, Tatsuo Fujita, Kin-ichi Adachi | 1988-05-10 |