Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4950336 | Method of producing non-oriented magnetic steel heavy plate having high magnetic flux density | Yukio Tomita, Ryota Yamaba, Yukio Tsuda, Tatsuya Kumagai | 1990-08-21 |