Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6475300 | Non-chromate metallic surface-treating agent, method for surface treatment, and treated steel material | Toshiaki Shimakura, Motohiro Sasaki, Katsuyoshi Yamasoe, Hiromasa Nomura, Hiroshi Kanai | 2002-11-05 |