Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4915799 | Electrolytic coloring method for chromium alloy | Hideki Iai, Yoshikazu Aoki | 1990-04-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4915799 | Electrolytic coloring method for chromium alloy | Hideki Iai, Yoshikazu Aoki | 1990-04-10 |