Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4714418 | Screw type vacuum pump | Katsumi Matsubara, Riichi Uchida, Masatoshi Muramatsu, Kotaro Naya | 1987-12-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4714418 | Screw type vacuum pump | Katsumi Matsubara, Riichi Uchida, Masatoshi Muramatsu, Kotaro Naya | 1987-12-22 |