Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8267467 | Reinforcement for cab in construction machine | Tetsuji Takaoka, Eiji Akahane, Masayoshi Nakajima, Teruyuki Yamada, Yusuke Harayama +1 more | 2012-09-18 |
| 8029044 | Cab structure of construction equipment | Eiji Akahane, Takayuki Yuasa, Masayoshi Nakajima, Robert D. Clausen, Teruyuki Yamada +2 more | 2011-10-04 |
| 7922237 | Guide-rail structure of front window in working vehicle | Eiji Akahane, Masayoshi Nakajima, Tetsuji Takaoka, Teruyuki Yamada, Tomoya Hirano +1 more | 2011-04-12 |
| 6938677 | Air-conditioner of construction machinery | Atsushi Yamakawa, Eiji Akahane | 2005-09-06 |