Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8544619 | Fluid pressure shock absorber | Hiroyuki Yamaguchi, Yohei Katayama, Takashi Nezu | 2013-10-01 |
| 7757826 | Damping force adjustable fluid pressure shock absorber | Yohei Katayama, Takashi Nezu | 2010-07-20 |