Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826325 | Particle processing apparatus | Akira Iwata | 1989-05-02 |
| 4362468 | Single curvature fan wheel of a diagonal flow fan | Yoshiyasu Nishikawa, Masao Nakano | 1982-12-07 |
| 4358244 | Single curvature fan wheel of a diagonal flow fan | Yoshiyasu Nishikawa, Masao Nakano | 1982-11-09 |
| 4227868 | Single-curvature fan wheel of diagonal-flow fan | Yoshiyasu Nishikawa, Masao Nakano | 1980-10-14 |