Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7992608 | Pneumatic tire with tread having cross-sectional shape of circumferential grooves varying in stepwise manner along circumferential direction | — | 2011-08-09 |
| 7762298 | Pneumatic tire with tread having first type of sipes and second type of sipes | Atsushi Miyasaka, Yasuo Osawa | 2010-07-27 |
| 6834695 | Pneumatic tire including sipes | — | 2004-12-28 |
| 6283184 | Pneumatic tire including sipes | — | 2001-09-04 |
| 5871598 | Pneumatic tire including block having sipe | — | 1999-02-16 |