Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5356491 | Composition and method for treating tin plated steel surface | Masayuki Yoshida | 1994-10-18 |
| 5336425 | Acidic aluminum cleaner containing an oxidant and a nonionic surfactant stabilized by a glycol | Yasuo Iino, Yoji Ono, Shinichiro Asai | 1994-08-09 |
| 4980076 | Fluoride and chromium free acid etchant rinse for aluminum | Shigeo Tanaka, Yasuo Iino, Yoji Ono | 1990-12-25 |
| 4927472 | Conversion coating solution for treating metal surfaces | Yasunobu Matsushima, Shigeo Tanaka, Yohji Ono | 1990-05-22 |