Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6048854 | 2,3-diaminopropionic acid derivative | Yasuyuki Ueki, Hisakazu Kishimoto, Toshio Nishihara, Yumiko Kamikawa | 2000-04-11 |
| 5607948 | Dipiperidine derivatives | Yasuyuki Ueki, Toshio Nishihara, Yumiko Kamikawa | 1997-03-04 |
| 5183660 | Polyethylene glycol derivatives, their modified peptides, methods for producing them and use of the modified peptides | Yoshiyuki Kai, Keiichi Ono | 1993-02-02 |