Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861780 | 4(3H)-quinazolinone derivatives and pharmaceutical compositions | Toshihiro Takahashi, Koichi Nakamaru, Yoshikuni Suzuki | 1989-08-29 |
| 4833144 | 2-Alkylsulfinyl-4(3H)-quinazolinone derivatives and pharmaceutical compositions | Toshihiro Takahashi, Koichi Nakamaru, Yoshikuni Suzuki | 1989-05-23 |
| 4829069 | 4-Thioquinazoline derivatives as antiulcer agents | Toshihiro Takahashi, Koichi Nakamaru, Yoshikuni Suzuki | 1989-05-09 |