Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12358762 | Crane | Akira KOYAHATA | 2025-07-15 |
| 12258243 | Assembly method for crane | Akira KOYAHATA | 2025-03-25 |
| 12168595 | Weight | Akira KOYAHATA, Takanobu YAMAGAMI | 2024-12-17 |
| 11505438 | Auxiliary cylinder apparatus, working machine including same, and use of auxiliary cylinder | — | 2022-11-22 |
| 11459218 | Crane and crane posture changing method | Takahiro Iwazawa | 2022-10-04 |
| 10407284 | Derricking apparatus | — | 2019-09-10 |