Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4517030 | Process for activating steel surface prior to phosphating treatment aqueous activating solution therefor | Tsukasa Yamamoto, Asao Mochizuki, Hiroshi Okita, Toshi Miyawaki, Kazuhiko Mori | 1985-05-14 |