Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8346603 | Ecological-point management system | Katsumi Sakakibara, Yukio Okamura, Kenji Mori, Yutaka Matsumoto, Chitose Shibata +4 more | 2013-01-01 |
| 8249933 | Charging system of electric powered vehicle | Katsumi Sakakibara, Yukio Okamura, Kenji Mori, Yutaka Matsumoto, Chitose Shibata +4 more | 2012-08-21 |
| 6819066 | Electric motor vehicle | Tetsuhiro Ishikawa | 2004-11-16 |