Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830877 | Compositions for forming insulating films on electromagnetic steel plates and methods for making the same | Kiichiro Katayama, Koji Wakabayashi, Toshinori Murakami | 1989-05-16 |