Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5225514 | Azo containing polyurethanes for drug delivery to the large intestines | Yoshiharu Kimura, Akio Nishiura | 1993-07-06 |
| 5110602 | Pharmaceutical compositions comprising esters or amides as active ingredients | Kazuhisa Takeda, Seiei Sasatani | 1992-05-05 |
| 5004612 | Pharmaceutical compositions comprising esters or amides as active ingredients | Kazuhisa Takeda, Seiei Sasatani | 1991-04-02 |
| 4889723 | Pharmaceutical compositions comprising esters or amides as active ingredients | Kazuhisa Takeda, Seiei Sasatani | 1989-12-26 |