Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6588469 | Tire noise reducing system | Naoki Yukawa, Masami Nishikawa, Chieko Aoki, Hideaki Sugihara | 2003-07-08 |
| 6581658 | Method of correcting tire unbalance | Hiroyuki Kobayashi, Naoki Yukawa, Masami Nishikawa | 2003-06-24 |