Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6725850 | Gas-liquid separation device in a vibrator engine | Shigeatsu Hongo, Satoshi Ishida, Masaaki Higuchi | 2004-04-27 |
| 5957118 | Oil separating apparatus for engine | Yoshimitsu Tateno, Tadashi Sakamaki | 1999-09-28 |