Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7158039 | Liquid leakage sensor and liquid leakage detecting system | Futoshi Shimai, Yohey Omata | 2007-01-02 |
| 6484564 | Liquid leakage sensor, paper for detecting liquid leakage, and holder for detecting liquid leakage | — | 2002-11-26 |
| 6304178 | Door safety system | — | 2001-10-16 |
| 6286740 | Energy-supplying, signal-transmitting and/or material-supplying method and apparatus for linearly-traveling mechanism | — | 2001-09-11 |
| 5594316 | Power supply device for controlling automatic door | — | 1997-01-14 |
| 5394292 | Electronic car bumper | — | 1995-02-28 |