Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8564362 | Filter circuit, semiconductor integrated circuit, communication apparatus, semiconductor device, and system | Heiji Ikoma, Kouji Okamoto | 2013-10-22 |
| 8395442 | Filter circuit, transmission filter circuit, semiconductor integrated circuit, communication apparatus, and timing adjustment method for filter circuit | Heiji Ikoma, Kouji Okamoto | 2013-03-12 |
| 7924188 | Rapid recovery circuit | Heiji Ikoma | 2011-04-12 |
| 7924199 | Current steering DAC | Heiji Ikoma | 2011-04-12 |
| 7764211 | Current steering DAC | Heiji Ikoma | 2010-07-27 |
| 7701373 | Current steering DAC | Heiji Ikoma | 2010-04-20 |