Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5852050 | Preparation for treating wounds or hemorrhoids | Makoto Okumura, Tsutomu Nakamura, Motoyuki Yajima | 1998-12-22 |
| 5679707 | Preparation for treating wounds or hemorrhoids | Makoto Okumura, Tsutomu Nakamura, Motoyuki Yajima | 1997-10-21 |
| 5403867 | Preparation for treating wounds or hemorrhoids | Makoto Okumura, Tsutomu Nakamura, Motoyuki Yajima | 1995-04-04 |
| 4731375 | Coumarin derivatives and antiallergic agents containing the same | Jun Nakano, Toshikazu Awaji, Kiyoshi Kuriyama, Yoshiyuki Hiyama | 1988-03-15 |