Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5948180 | Doubly oriented magnetic steel sheet and method for manufacturing the same | Toshiro Tomida, Naoyuki Sano | 1999-09-07 |
| 5807441 | Method of manufacturing a silicon steel sheet having improved magnetic characteristics | Toshiro Tomida | 1998-09-15 |
| 5714017 | Magnetic steel sheet having excellent magnetic characteristics and blanking performance | Toshiro Tomida | 1998-02-03 |