Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4313939 | Pharmaceutical composition containing para-aminobenzoic acid-N-L-rhamnoside as an active ingredient | Chikao Yoshikumi, Yoshio Ohmura, Masanori Ikuzawa, Kenichi Matsunaga, Takayoshi Fujii +2 more | 1982-02-02 |
| 4229570 | Method of producing nitrogen-containing polysaccharides | Saburo Ueno, Chikao Yoshikumi, Yoshio Omura, Toshihiko Wada, Takayoshi Fujii +1 more | 1980-10-21 |
| 4202969 | Method of producing nitrogen-containing polysaccharides | Saburo Ueno, Chikao Yoshikumi, Yoshio Omura, Toshihiko Wada, Takayoshi Fujii +1 more | 1980-05-13 |