Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8801524 | Damper apparatus | Yoshihiro Takikawa, Yoichi Oi, Kazuto Maruyama | 2014-08-12 |
| 8771088 | Damper device | Yoshihiro Takikawa, Yoichi Oi, Kazuto Maruyama | 2014-07-08 |
| 6512185 | Printed-wiring board | — | 2003-01-28 |
| 4480170 | Arc spot welding equipment | Masatsune Kondou, Tsutomu FURUTA | 1984-10-30 |