Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6459938 | Remote supervisory control system | Shinji Sakasegawa, Hajime Yabu, Yuichi Yoshimura | 2002-10-01 |
| 6416295 | Vacuum-generating unit | Shigekazu Nagai, Takashi Toyama | 2002-07-09 |