Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4797167 | Method for the production of oriented silicon steel sheet having excellent magnetic properties | Hisanobu Nakayama, Shouzaburo Nakashima, Yoshiaki Shimoyama | 1989-01-10 |
| 4225366 | Process for producing grain oriented electrical silicon steel sheet containing aluminium | Jirou Harase, Shozaburo Nakashima | 1980-09-30 |