Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844753 | Method for forming insulating films on electromagnetic steel plates | Kenichi Masuhara, Yasuharu Maeda, Koji Wakabayashi | 1989-07-04 |
| 4830877 | Compositions for forming insulating films on electromagnetic steel plates and methods for making the same | Yasuharu Meada, Koji Wakabayashi, Toshinori Murakami | 1989-05-16 |