Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4560415 | Liquid composition for artificial production of verdigris | Shiro Koh, Katsuyasu Wada, Kazuhiko Namioka | 1985-12-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4560415 | Liquid composition for artificial production of verdigris | Shiro Koh, Katsuyasu Wada, Kazuhiko Namioka | 1985-12-24 |