Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4836769 | Water-cooled winding for electromagnetic stirrer | Takeshi Kawakami | 1989-06-06 |
| 4399190 | Thin insulating mica sheet and insulated coil | Osamu Hayashi | 1983-08-16 |
| 4399191 | Thin insulating mica sheet and insulated coil | Osamu Hayashi | 1983-08-16 |