Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10186959 | Power supply circuit, control circuit thereof, and electronic apparatus | Yoichi Tamegai | 2019-01-22 |
| 9413192 | Mobile device | YongMoo Heo | 2016-08-09 |
| 7576419 | Semiconductor device | — | 2009-08-18 |
| 7208923 | Multiple-output power device, and mobile device using the same | — | 2007-04-24 |
| 6936911 | Semiconductor integrated circuit device | — | 2005-08-30 |
| 6909327 | Amplifier | — | 2005-06-21 |
| 6815938 | Power supply unit having a soft start functionality and portable apparatus equipped with such power supply unit | — | 2004-11-09 |
| 6759903 | Amplifier | — | 2004-07-06 |
| 6297756 | Analog-to-digital conversion device | — | 2001-10-02 |
| 5946358 | Receiver circuit for a mobile communications system | — | 1999-08-31 |
| 5327481 | Radio communication device and cordless answer phone | — | 1994-07-05 |
| 4249540 | Optical somato-measuring apparatus | Tomiyasu Koyama, Midori Horimoto | 1981-02-10 |