Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874750 | Pharmaceutical composition containing a derivative of para-aminobenzoic acid as an active ingredient | Chikao Yoshikumi, Yoshio Ohmura, Masanori Ikuzawa, Kenichi Matsunaga, Takayoshi Fujii +2 more | 1989-10-17 |
| 4866047 | Method for inhibiting the formation of urinary calculus utilizing 24,25-(OH).sub.2 -D.sub.3 | Hideyuki Yamato, Yuji Maeda, Takayoshi Fujii, Yasuhiko Kobayashi, Kenichi Saito +2 more | 1989-09-12 |
| 4851395 | Nitrogen-containing polysaccharide | Saburo Ueno, Chikao Yoshikumi, Yoshio Omura, Takayoshi Fujii, Toshihiko Wada +1 more | 1989-07-25 |
| 4801581 | Pharmaceutical composition containing para-amino-benzoic acid-N-D-xyloside as an active ingredient | Chikao Yoshikumi, Yoshio Ohmura, Masanori Ikuzawa, Kenichi Matsunaga, Takayoshi Fujii +2 more | 1989-01-31 |