Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4592789 | Process for producing a grain-oriented electromagnetic steel sheet or strip | Yozo Suga, Tadao Nozawa, Tadashi Nakayama | 1986-06-03 |
| 4473416 | Process for producing aluminum-bearing grain-oriented silicon steel strip | Jirou Harase | 1984-09-25 |