Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4365216 | Surface-acoustic-wave device | Shoichi Minagawa, Takeshi Okamoto | 1982-12-21 |
| 4357553 | Surface-acoustic-wave device | Shoichi Minagawa, Takeshi Okamoto, Morihiro Niimi | 1982-11-02 |