Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10186390 | Relay circuit for contact preservation and method for controlling relay circuit | Toshiyuki Higuchi | 2019-01-22 |
| 10167652 | Vertical seismic isolation apparatus | Keisuke Nakakubo, Yoshihito Watanabe, Hiroaki Asakura, Tomokazu Oku, Ryoji Tomono +1 more | 2019-01-01 |