Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7449971 | Transistor oscillating circuit having low change in oscillating frequency due to change in power supply voltage | Hiroki Kobayashi, Masaki Tagai, Ryutaro Makita | 2008-11-11 |
| 6724270 | Oscillation circuit of cascode connection type | — | 2004-04-20 |
| 6472713 | Semiconductor device having vertical bipolar transistor | — | 2002-10-29 |