Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7989107 | Lithium-ion secondary battery | Kenji Nakai, Akinori Tada, Masatsugu Arai | 2011-08-02 |
| 7919203 | Battery box structure, inter-locking structure of electrical equipment box, and electrical equipment box structure | Kentaro Shibuya, Hiroshi Kosaka, Keishi Kousaka, Koichi Hasegawa | 2011-04-05 |