Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4567598 | Optoelectronic semiconductor devices in hermetically sealed packages | Yasunobu Oshima, Tohru KAMATA | 1986-01-28 |
| 4266239 | Semiconductor device having improved high frequency characteristics | Katsunori Miyagaki, Yukio Hirakawa | 1981-05-05 |