Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872806 | Centrifugal pump of vortex-flow type | Yutaka Yamada, Tadashi Kozawa, Hirofumi Komatsubara | 1989-10-10 |
| 4854830 | Motor-driven fuel pump | Tadashi Kozawa, Hirofumi Komatsubara, Yasunori Takaku, Kiyoshi Kato, Seiichi Harada | 1989-08-08 |