Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5295788 | Rotor assembly for screw pump | Mitsunori Arimura, Mamoru Yoshikawa, Tadashi Kimura | 1994-03-22 |
| 4869336 | Snowmobile | Eiji Nakasaki, Yasuo Igarashi, Hiroto Sakakibara | 1989-09-26 |