Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7659986 | Smoke sensor and electronic equipment | — | 2010-02-09 |
| 7569806 | Moving object detection photointerrupter having a determination of passing of the moving object based on its passing direction and the detection information of the next moving object and electric device using the same | — | 2009-08-04 |
| 7427738 | Light-receiving amplifier and optical pickup device | — | 2008-09-23 |