Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11851766 | Chemical conversion treatment liquid and production method for member having surface provided with chemical conversion film | Masayuki Ooguchi, Yoshiki HIRAMATSU | 2023-12-26 |
| 11851767 | Rust prevention member and method for producing same | Toshihiro Sugiura, Yoshiki HIRAMATSU, Hiroki Yoshida | 2023-12-26 |