Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4613842 | Iron core for electrical machinery and apparatus as well as method for producing the iron core | Tadashi Ichiyama, Shigehiro Yamaguchi, Tohru Iuchi | 1986-09-23 |
| 4422061 | Laminated core of transformer | Takaaki Yamamoto | 1983-12-20 |