Issued Patents 2024
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11987888 | Trivalent chromium chemical conversion treatment liquid for zinc or zinc alloy base and chemical conversion treatment method using the same | Ryouji IWANAGA, Manabu Inoue, Tomitaka Yamamoto | 2024-05-21 |