Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869904 | Sustained release drug preparation | Kaneto Uekama, Yoshiyuki Tahara, Takanori Ijitsu | 1989-09-26 |
| 4817195 | Channel selection apparatus having automatic frequency compensation for transmission frequency error | Kazuhiko Kubo, Akira Usui, Minoru Miyata, Hideyuki Ikuhara, Hiroyuki Nagai | 1989-03-28 |