Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874750 | Pharmaceutical composition containing a derivative of para-aminobenzoic acid as an active ingredient | Chikao Yoshikumi, Yoshio Ohmura, Fumio Hirose, Masanori Ikuzawa, Kenichi Matsunaga +2 more | 1989-10-17 |