Issued Patents 2018
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10041561 | Spring assembly and damper device including spring assembly | Masahiro Nakatani | 2018-08-07 |
| 9970487 | Damper device | Tomoharu Fujii, Yuuzou Akasaka, Hiroki Uehara, Yoshinari Yoshimura | 2018-05-15 |
| 9926984 | Damper device | Hiroki Uehara, Yuuzou Akasaka, Makoto Ogata, Tomoharu Fujii, Yoshinari Yoshimura | 2018-03-27 |
| 9909625 | Damper device | Hiroki Uehara, Yuuzou Akasaka, Makoto Ogata, Yoshinari Yoshimura | 2018-03-06 |