Issued Patents 1989
Showing 1–2 of 2 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 |
| 4801581 | Pharmaceutical composition containing para-amino-benzoic acid-N-D-xyloside as an active ingredient | Chikao Yoshikumi, Yoshio Ohmura, Fumio Hirose, Masanori Ikuzawa, Kenichi Matsunaga +2 more | 1989-01-31 |