Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4906411 | Process for producing 2-methyl-1,4-naphthoquinone | Yukio Narabu | 1990-03-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4906411 | Process for producing 2-methyl-1,4-naphthoquinone | Yukio Narabu | 1990-03-06 |