Issued Patents 1982
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4365216 | Surface-acoustic-wave device | Takeshi Okamoto, Takamasa Sakai | 1982-12-21 |
| 4357553 | Surface-acoustic-wave device | Takamasa Sakai, Takeshi Okamoto, Morihiro Niimi | 1982-11-02 |
| 4348650 | Surface-acoustic-wave parametric device | Takeshi Okamoto | 1982-09-07 |
| 4334167 | Elastic surface wave device | Takeshi Okamoto | 1982-06-08 |