Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4767284 | Screw vacuum pump unit | Kazuaki Shiinoki, Koutarou Naya, Tadashi Hayakawa, Riichi Uchida | 1988-08-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4767284 | Screw vacuum pump unit | Kazuaki Shiinoki, Koutarou Naya, Tadashi Hayakawa, Riichi Uchida | 1988-08-30 |