Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8004446 | A/D converter and A/D conversion method | Toshiaki Ozeki, Koji Oka, Ikuo Hidaka, Yoshikazu Makabe | 2011-08-23 |
| 7940121 | Operational amplifier and pipeline AD converter | Koji Oka | 2011-05-10 |
| 7884750 | A/D converter and A/D conversion method | Toshiaki Ozeki, Koji Oka | 2011-02-08 |
| 7777293 | Semiconductor integrated circuit, D-A converter device, and A-D converter device | Yoshinori Miyada, Kenji Murata | 2010-08-17 |
| 7649487 | A/D converter and A/D conversion method | Toshiaki Ozeki, Koji Oka | 2010-01-19 |
| 6927723 | A/D converter and A/D conversion method | Kenji Murata, Hideki Tanaka, Yoshinori Miyada | 2005-08-09 |
| 6777775 | Semiconductor integrated circuit, D-A converter device, and A-D converter device | Yoshinori Miyada, Kenji Murata | 2004-08-17 |
| 6741192 | A/D conversion method for serial/parallel A/D converter, and serial/parallel A/D converter | Kenji Murata | 2004-05-25 |
| 6734817 | A/D converter, method of A/D conversion, and signal processing device | Junichi Naka, Yoshitsugu Inagaki, Hiroshi Sakura, Heiji Ikoma, Koji Oka +1 more | 2004-05-11 |