Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7490645 | Pneumatic tire with tread having sipe in tie bar | Yasushi Shinmura | 2009-02-17 |
| 6880597 | Noise damper for pneumatic tire | Naoki Yukawa, Masami Nishikawa, Chieko Aoki | 2005-04-19 |
| 6796350 | Vehicle tire having non-uniformly profiled tread with respect to its center | Manfred Gerresheim, Klaus-Dieter Riehl, Saburo Miyabe | 2004-09-28 |
| 6755483 | Tire noise reducing system | Naoki Yukawa, Masami Nishikawa, Tokuzo Nakajima, Chieko Aoki | 2004-06-29 |
| 6729373 | Tire noise reducing system | Naoki Yukawa, Tokuzo Nakajima, Masami Nishikawa, Chieko Aoki | 2004-05-04 |
| 6726289 | Tire noise reducing system | Naoki Yukawa, Masami Nishikawa, Tokuzo Nakajima, Chieko Aoki | 2004-04-27 |
| 6588469 | Tire noise reducing system | Naoki Yukawa, Tokuzo Nakajima, Masami Nishikawa, Chieko Aoki | 2003-07-08 |
| 6450225 | Noise damper for pneumatic tire | Naoki Yukawa, Masami Nishikawa, Chieko Aoki | 2002-09-17 |
| 6340041 | Pneumatic tire including two wide circumferential grooves | Koji Ohkita | 2002-01-22 |
| 6119745 | Pneumatic tire including only one wide groove | — | 2000-09-19 |
| 5688342 | Pneumatic tire having ground contacting area | — | 1997-11-18 |
| 5431209 | Passenger tire with low bead apex volume | Shinzo Kajiwara, Hideaki Yoshikawa, Masayuki Sakamoto | 1995-07-11 |
| 5415216 | Passenger radial tire including bead reinforcement | Shinzo Kajiwara, Hideaki Yoshikawa, Masayuki Sakamoto | 1995-05-16 |