Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8248235 | Area monitoring sensor | Tetsu Inoue | 2012-08-21 |
| 7598484 | Photoelectric sensor for securing the safety of a work area | — | 2009-10-06 |
| 7098441 | Photoelectric sensor | Shinya Asada, Shinichi Tsukigi | 2006-08-29 |
| 6414603 | Method for displaying state of multi-optical-axis photoswitch and multi-optical-axis photoswitch adapted to the method | Keisuke Murakami, Toshio Okada | 2002-07-02 |
| 6204575 | Method of verifying an extension area sensor controlled, master controller of area sensors, and cover to be used when no slave controller is added | — | 2001-03-20 |