Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6685250 | Noise insulation structure | Tsuyoshi Yamashita, Yoshihiro Noguchi, Tetsuya Imai | 2004-02-03 |
| 6508343 | Vibration damper | Kengo Okamura, Yuji Kuruhara, Keiichi Sunami, Tsuyoshi Yamashita, Akihiro Maejima +4 more | 2003-01-21 |