Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6755483 | Tire noise reducing system | Naoki Yukawa, Masami Nishikawa, Chieko Aoki, Hideaki Sugihara | 2004-06-29 |
| 6729373 | Tire noise reducing system | Naoki Yukawa, Masami Nishikawa, Chieko Aoki, Hideaki Sugihara | 2004-05-04 |
| 6726289 | Tire noise reducing system | Naoki Yukawa, Masami Nishikawa, Chieko Aoki, Hideaki Sugihara | 2004-04-27 |
| 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 |