Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7905264 | Runflat tire | Takaaki Ishida, Fumikazu Yamashita, Akira Kamigoro, Yasuaki Kuniyasu | 2011-03-15 |
| 7337814 | Runflat tire system and support ring therefor | Takaaki Ishida, Yasuhiro Kubota, Masatoshi Tanaka | 2008-03-04 |
| 7188649 | Runflat tire system and support ring therefor | Takaaki Ishida, Masatoshi Tanaka | 2007-03-13 |
| 7178569 | Runflat tire system and support ring therefor | Takaaki Ishida, Masatoshi Tanaka | 2007-02-20 |