Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6882135 | Voltage generating circuit and reference voltage source circuit employing field effect transistors | Hirofumi Watanabe | 2005-04-19 |
| 6600305 | Voltage generating circuit and reference voltage source circuit employing field effect transistors | Hirofumi Watanabe | 2003-07-29 |
| 6437550 | Voltage generating circuit and reference voltage source circuit employing field effect transistors | Hirofumi Watanabe | 2002-08-20 |