Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4304818 | Insulation system for winding of electric rotating machines and process of production thereof | Hideyo Hirata, Takeshi Hakamada, Masao Matsui, Yoshiyuki Suda, Yoshiharu Karasawa +1 more | 1981-12-08 |