Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4338143 | Non-oriented silicon steel sheet with stable magnetic properties | Yoshiaki Shimoyama, Shigenobu Koga | 1982-07-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4338143 | Non-oriented silicon steel sheet with stable magnetic properties | Yoshiaki Shimoyama, Shigenobu Koga | 1982-07-06 |