Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4744985 | Novel substances having carcinostatic and immunostimulating activity, process for preparing the same and carcinostatic agent containing the same | Kenzo Tamai, Isamu Saikawa, Takashi Yasuda, Toyoo Maeda, Hisatsugu Tsuda +5 more | 1988-05-17 |
| 4591558 | Novel substances having antitumor and immunostimulating activity, process for preparing the same and antitumor agent containing the same | Kenzo Tamai, Isamu Saikawa, Takashi Yasuda, Toyoo Maeda, Hisatsugu Tsuda +5 more | 1986-05-27 |
| 4547462 | Process for preparing substance having carcinostatic and immunostimulating activity | Kenzo Tamai, Isamu Saikawa, Takashi Yasuda, Toyoo Maeda, Hisatsugu Tsuda +5 more | 1985-10-15 |
| 4477666 | 1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives, acid addition salts thereof and process for producing same | Takako Hori, Chosaku Yoshida, Yasuo Kiba, Ryuko Takeno, Joji Nakano +4 more | 1984-10-16 |
| 4477664 | Novel 1-(4-piperidiniobenzyl)-2,3-dioxopiperazine derivatives or acid addition salts thereof | Takako Hori, Chosaku Yoshida, Yasuo Kiba, Ryuko Takeno, Joji Nakano +4 more | 1984-10-16 |
| 4477437 | Substances having carcinostatic and immunostimulating activity | Kenzo Tamai, Isamu Saikawa, Takashi Yasuda, Toyoo Maeda, Hisatsugu Tsuda +5 more | 1984-10-16 |
| 4460774 | 1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives, acid addition salts thereof and process for producing same | Takako Hori, Chosaku Yoshida, Yasuo Kiba, Ryuko Takeno, Joji Nakano +4 more | 1984-07-17 |
| 4459407 | 1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives and salts thereof | Takako Hori, Chosaku Yoshida, Yasuo Kiba, Ryuko Takeno, Joji Nakano +4 more | 1984-07-10 |
| 4448963 | 4-[4-(Thiazolyl-amino)benzyl]-2,3-dioxopiperazine derivatives, acid addition salts thereof and process for producing same | Takako Hori, Chosaku Yoshida, Yasuo Kiba, Ryuko Takeno, Joji Nakano +4 more | 1984-05-15 |
| 4444753 | Pharmaceutical composition comprising extract from poison pouch contents of bee | Isamu Saikawa, Takashi Yasuda, Toyoo Maeda, Akira Yotsuji, Masahiro Takahata +4 more | 1984-04-24 |
| 4436921 | 1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives, acid addition salts thereof and process for producing same | Takako Hori, Chosaku Yoshida, Yasuo Kiba, Ryuko Takeno, Joji Nakano +4 more | 1984-03-13 |
| 4370316 | Pharmaceutical composition comprising extract from poison pouch contents of bee useful for treating decreased immunity | Isamu Saikawa, Takashi Yasuda, Toyoo Maeda, Akira Yotsuji, Masahiro Takahata +4 more | 1983-01-25 |