Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5542809 | Self-driven liftup conveyor, vehicular liftup conveyor, truck freight loader/unloader, and truck freight loading system | Yasushi Nagamune, Yasuyuki Nakadegawa | 1996-08-06 |
| 5333649 | Plug for blocking a branched pipe opening | Shinji Shimokawa | 1994-08-02 |