Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5706915 | Brake disc rotor | Takashi Shimazu, Shigeru Sakamoto, Hidetoshi Shimizu | 1998-01-13 |
| 5526905 | Brake disc rotor | Takashi Shimazu, Shigeru Sakamoto, Hidetoshi Shimizu, Akio Inatomi, Masashi Ishihara +2 more | 1996-06-18 |
| 5427212 | Brake disc rotor | Takashi Shimazu, Shigeru Sakamoto, Hidetoshi Shimizu, Akio Inatomi, Masashi Ishihara +1 more | 1995-06-27 |
| 4265596 | Axial flow fan with auxiliary blades | Kenji Fujikake, Katsuhito Yamada | 1981-05-05 |
| 4222710 | Axial flow fan having auxiliary blade | Kenji Fujikake, Katsuhito Yamada | 1980-09-16 |
| 4189281 | Axial flow fan having auxiliary blades | Kenji Fujikake, Katsuhito Yamada | 1980-02-19 |