Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8028787 | Work machine | Eiji Akahane, Christopher Michael Burton, Shigeru Kojima, Masayuki Takano | 2011-10-04 |
| 7854291 | Work machine | Eiji Akahane, Shigeru Kojima, Masayuki Takano | 2010-12-21 |
| 7275368 | Fan revolution speed control method | Hideto Furuta, Kazushige Okamoto | 2007-10-02 |