Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12152655 | Mating chain and movable body transfer device | Tamaki Shiki, Shunji Sakura, Toshimitsu Sakai | 2024-11-26 |
| 9222546 | Interlocking chain unit | Shunji Sakura, Hiroyuki Mineyama, Atsuo Noguchi, Katsunori Sakai, Taku Horie | 2015-12-29 |