Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9218816 | DAC device and audio system | Yoshihiro Horii, Masashi Uchida, Junji Nakatsuka, Takaaki Sato | 2015-12-22 |
| 7639579 | White dot out detecting device | Takatomi Sakakibara | 2009-12-29 |
| 7362674 | Defect detection apparatus | Teruhiko Izumi | 2008-04-22 |
| 4751497 | Digital to analog converter with high output compliance | — | 1988-06-14 |