Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8430020 | Method for surface treatment of a skirt portion of a piston for an internal combustion engine and a piston for an internal combustion engine | Nobuyuki Fujiwara, Tsutomu Sakai, Yoshio Miyasaka | 2013-04-30 |
| 7887947 | Connection structure between unit cells | Hiroshi Kawano, Isao Matsumoto, Keisuke Aoki, Yoshimitsu Hiroshima | 2011-02-15 |