Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362468 | Single curvature fan wheel of a diagonal flow fan | Yoshiyasu Nishikawa, Chosei Harada | 1982-12-07 |
| 4358244 | Single curvature fan wheel of a diagonal flow fan | Yoshiyasu Nishikawa, Chosei Harada | 1982-11-09 |
| 4336465 | Reset circuit | Yoshihiro Takemae, Katsuhiko Kabashima | 1982-06-22 |