Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9933462 | Current sensor and current measuring device | Norihiro Kawagishi, Katsuya Hirano | 2018-04-03 |
| 9841440 | Current detection circuit and magnetic detection device provided with same | Katsuya Hirano, Norihiro Kawagishi | 2017-12-12 |
| 7239005 | Semiconductor device with bypass capacitor | — | 2007-07-03 |
| 7164304 | Duty ratio correction circuit | — | 2007-01-16 |
| 6975158 | Noise canceling circuit | — | 2005-12-13 |
| 6943634 | Oscillation detection circuit | — | 2005-09-13 |
| 6903577 | Delay circuit | Nobuaki Tsuji, Masao Noro, Kunihiko Mitsuoka, Masamitsu Hirano | 2005-06-07 |
| 6703905 | Crystal oscillation circuit | — | 2004-03-09 |
| 6696891 | Class D amplifier | Masao Noro | 2004-02-24 |
| 6600350 | Power-on/off reset circuit | Masao Noro | 2003-07-29 |
| 6229403 | Voltage-controlled oscillator | — | 2001-05-08 |
| 5990711 | Constant current driving circuit | — | 1999-11-23 |
| 5966031 | Output circuit for integrated circuit devices | — | 1999-10-12 |
| 5907237 | Voltage dropping circuit and integrated circuit | — | 1999-05-25 |