Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8408171 | Variable stroke engine assembly | Shigekazu Tanaka, Taichi Yoshikawa, Keitaro Nakanishi | 2013-04-02 |
| 8261703 | Variable stroke engine | Taichi Yoshikawa, Shigekazu Tanaka, Jiro Fujimoto, Keitaro Nakanishi, Noriaki Fujii | 2012-09-11 |
| 8015955 | Variable stroke | Shigekazu Tanaka, Taichi Yoshikawa | 2011-09-13 |
| 7905210 | Engine vibration elimination system and variable stroke characteristic engine | Koichi Eto, Kouichi Ikoma, Kazuhiko Iso, Yoshihiro Okada, Masakazu Kinoshita | 2011-03-15 |
| 7357111 | Stroke characteristic variable engine | Koichi Ikoma, Koichi Eto, Kenji Abe | 2008-04-15 |
| 7350506 | Variable stroke property engine | Koichi Ikoma, Kenji Abe | 2008-04-01 |
| 7234424 | Variable stroke-characteristic engine for vehicle | Shigekazu Tanaka, Taichi Yoshikawa, Koichi Eto, Hisashi Sato | 2007-06-26 |