Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5945212 | Insulating film treating agent having extremely excellent film characteristics and production method for non-oriented electrical steel sheet using the treating agent | Osamu Tanaka, Kikuji Hirose, Kazutoshi Takeda, Masahiro Yamamoto | 1999-08-31 |