Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5938209 | Seal system for fluid pressure vessels | Sadanandan N. Sirosh, Hans Van Oyen, Masayuki Tamura, Kazutaka Yokoyama | 1999-08-17 |
| 5829418 | Fuel supply system for internal combustion engines | Masayuki Tamura, Kazuo Takeuchi, Fumihiro Yamaguchi, Kenichiro Ishibashi | 1998-11-03 |
| 4479352 | Hot-water storage type power generating unit | Keijiro Yamaoka | 1984-10-30 |
| 4266828 | Apparatus on drum shearer for cutting through safety wall in long wall mining | Shigeo Nakagima, Ken Takahashi | 1981-05-12 |
| 4196933 | Safety wall cutting through method employed in long wall mining | Shigeo Nakagima, Ken Takahashi | 1980-04-08 |