Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5032036 | Joint structure of annular member and shaft member | Yukitoshi Murakami, Hirofumi Dodoro, Naoki Minamoto, Atsushi Chiba | 1991-07-16 |
| 4828455 | Temperature responsive blade shroud-disk for thermostatic water pump | Hiroaki Toyoda | 1989-05-09 |
| 4465285 | Variable contact centrifugally operated seal mechanism | Hiroaki Toyoda, Akira Nakai | 1984-08-14 |