Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9010296 | Piston for spark-ignition engine | Kazuyuki Teshima, Hiroyuki Takeshige, Hiroaki Muranaka | 2015-04-21 |
| 7150584 | Steel-pipe sheet pile and coupling structure of steel-pipe sheet piles | Yoshiki Sono, Makoto Kimura | 2006-12-19 |
| 6420936 | Power controller and power controlling method | — | 2002-07-16 |