Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9391815 | Transmission line address overlap detection system and substation terminal used in the system | Shigeru Hiroi, Mitsuhiro Tsunoo, Kenji Nishikido, Youichi Hoshi, Hidemi Yamazaki | 2016-07-12 |
| 9154391 | Transmission line disconnection detection method and slave station used for the method | Kenji Nishikido, Youichi Hoshi | 2015-10-06 |
| 5838249 | Control/supervisory signal transmission/reception system | Yoshitane Saito, Yuji Watanabe, Takeharu Katsuno | 1998-11-17 |