Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6914481 | High frequency power amplifier apparatus and power amplifier module use the same | Yukio Sakai, Hisayoshi Kato | 2005-07-05 |
| 4890633 | Treating apparatus equipped with a swing mechanism | — | 1990-01-02 |