Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8228131 | Crystal-oscillator circuit | Hisato Takeuchi, Shuuji Shibuya | 2012-07-24 |
| 7808333 | IC for control of temperature-compensated crystal oscillator | Hisato Takeuchi, Keigo Shingu | 2010-10-05 |
| 7633350 | Function generation circuit | Hisato Takeuchi, Keigo Shingu | 2009-12-15 |
| 7579917 | Output circuit for oscillator | Motoki Sakai, Hisato Takeuchi, Keigo Shingu | 2009-08-25 |
| 7492231 | Oscillator starting control circuit | Keigo Shingu, Hisato Takeuchi | 2009-02-17 |