Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7028534 | Gas-tightness diagnosing apparatus for a fuel tank with an evaporative emission purge system | Satoru Watanabe | 2006-04-18 |
| 6913002 | Fuel feed system | Hironori Ohhashi, Masaaki Iijima, Satoru Watanabe | 2005-07-05 |
| 6857314 | System for detecting remaining amount of liquid in tank | Hironori Ohhashi, Yutaka Ogiwara | 2005-02-22 |
| 6843235 | Fuel supply unit | Hajime Hosoya, Hiroshi Okada, Masato Kumagai | 2005-01-18 |
| 6792923 | Fuel supply system for vehicle | Masato Kumagai, Satoru Watanabe | 2004-09-21 |
| 4712624 | Rock drill with tunnel profile control system | — | 1987-12-15 |
| 4343367 | Drilling machine positioning arrangement | — | 1982-08-10 |
| 4240511 | Drilling machine centering arrangement | — | 1980-12-23 |
| 4230189 | Drilled hole end adjusting arrangement | — | 1980-10-28 |