Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5963785 | Dielectrically-isolated integrated circuit | Toshimitu Katoh, Yoshiaki Aizawa | 1999-10-05 |
| 5559466 | Semiconductor relay for transmitting high frequency signals | Yoshiaki Aizawa | 1996-09-24 |
| 5408102 | Photo-coupler apparatus having adequate protection against excessive current and heat runaway | — | 1995-04-18 |