Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6026690 | Vibration sensor using the capacitance between a substrate and a flexible diaphragm | Jun Kishigami | 2000-02-22 |
| 5827965 | Navigation device employing an electret vibration sensor | Jun Kishigami | 1998-10-27 |
| 5798460 | Vibration sensor employing a flexible diaphragm and an electret film | Jun Kishigami | 1998-08-25 |