Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851056 | Process for producing a semi-processed non-oriented electrical steel sheet having a low watt loss and a high magnetic flux density | Kunisuke Miyoshi, Takeshi Kubota | 1989-07-25 |
| 4797167 | Method for the production of oriented silicon steel sheet having excellent magnetic properties | Hisanobu Nakayama, Shouzaburo Nakashima, Yasukazu Mori | 1989-01-10 |