Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11519844 | Corrosion resistance test method and corrosion resistance test apparatus for coated metal material | Tsutomu Shigenaga | 2022-12-06 |
| 11262329 | Method of testing corrosion resistance of coated metal material | Tsutomu Shigenaga | 2022-03-01 |