Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10920849 | Damping member for rolling guide device and seismic isolation structure utilizing same | Keisuke Nakakubo, Tetsuya Fukumoto, Noriaki Chikamoto, Tadashi Nakano | 2021-02-16 |
| 10167652 | Vertical seismic isolation apparatus | Keisuke Nakakubo, Yoshihito Watanabe, Hiroaki Asakura, Tomokazu Oku, Tetsuya Fukumoto +1 more | 2019-01-01 |