Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9496869 | Slave station | Kenji Nishikido | 2016-11-15 |
| 8836457 | Contactless switch structure | Kenji Nishikido | 2014-09-16 |
| 8648320 | Photoelectric sensor and photoelectric sensor system for comparing received light levels to detect objects | Kenji Nishikido | 2014-02-11 |
| 8593263 | Control/monitor signal transmission system | Kenji Nihikido | 2013-11-26 |
| 8396587 | Conveyance control system and conveyance control method | Kenji Nishikido | 2013-03-12 |
| 8237137 | Photoelectronic sensor system having auto-adjustment function | Kenji Nishikido | 2012-08-07 |
| 7911967 | Control and monitor signal transmission system | Kenji Nishikido | 2011-03-22 |
| 7428251 | Control and supervisory signal transmission system | Kenji Nishikido, Yasushi Mori | 2008-09-23 |
| 7146450 | Control and supervisory signal transmission system for changing a duty factor of a control signal | Kenji Nishikido, Kouji Yukawa, Yasushi Mori | 2006-12-05 |