Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871549 | Time-controlled explosion systems and processes for preparing the same | Yoshio Ueda, Takehisa Hata, Satoshi Ueda, Masateru Kodani | 1989-10-03 |
| 4808416 | Preparation of a slow-release drug | Takehisa Hata, Satoshi Ueda, Masateru Kodani | 1989-02-28 |