Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6779642 | Lubricating structure of hydraulic clutch | Yasunori Arai, Yoichiro Yamamoto, Masaki Inoue, Yuji Yamamoto | 2004-08-24 |
| 6764609 | Piezoelectric ceramic composition and piezoelectric element using the same | — | 2004-07-20 |