Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6476620 | Electrostatic capacity sensor | Hideto Kato | 2002-11-05 |
| 6456198 | Fence sensor | Hideto Kato, Kunihide Kamiyama, Kiichi Seino | 2002-09-24 |
| 5590855 | Train detection device for railroad models and train crossing control apparatus utilizing the train detection device | Umeko Kato, Tomohiko Kato, Hideto Kato, Teruko Ichizuka | 1997-01-07 |
| 4470008 | Capacitance sensor | — | 1984-09-04 |