Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844753 | Method for forming insulating films on electromagnetic steel plates | Kiichiro Katayama, Kenichi Masuhara, Yasuharu Maeda | 1989-07-04 |
| 4830877 | Compositions for forming insulating films on electromagnetic steel plates and methods for making the same | Kiichiro Katayama, Yasuharu Meada, Toshinori Murakami | 1989-05-16 |