Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11891279 | Expansion device and crane | Naoto Kawabuchi, Hiroshi Kitayama, Naotaka Masuda, Takashi Kawano | 2024-02-06 |
| 11472680 | Crane | Naoto Kawabuchi, Naotaka Masuda | 2022-10-18 |