Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D437602 | Hydraulic excavator | Kazuhiko Hiraoka, Shingo Hirose, Kazuhiko Nishiyama, Akitaka Takeuchi, Toichi Hirata +5 more | 2001-02-13 |
| D410471 | Large-sized excavator | Atsushi Tamane, Takanobu Ikari, Akitaka Takeuchi | 1999-06-01 |