Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6882193 | Voltage detection circuit, power-on/off reset circuit, and semiconductor device | Hiroshige Hirano, Tatsumi Sumi | 2005-04-19 |
| 6822493 | Voltage detection circuit, power-on/off reset circuit, and semiconductor device | Hiroshige Hirano, Tatsumi Sumi | 2004-11-23 |
| 6538482 | Voltage detection circuit, power-on/off reset circuit, and semiconductor device | Hiroshige Hirano, Tatsumi Sumi | 2003-03-25 |
| 6246624 | Voltage detection circuit power-on/off reset circuit and semiconductor device | Hiroshige Hirano, Tatsumi Sumi | 2001-06-12 |
| 5864247 | Voltage detection circuit, power-on/off reset circuit, and semiconductor device | Hiroshige Hirano, Tatsumi Sumi | 1999-01-26 |