Issued Patents 2011
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8038179 | Threaded joint for steel pipes | Takahiro Takano, Shigeo Nagasaku, Masaaki Sugino, Takahiro Hamamoto | 2011-10-18 |
| D647036 | Tread portion of an automobile tire | — | 2011-10-18 |
| D646624 | Tread portion of an automobile tire | — | 2011-10-11 |
| D643360 | Tread portion of an automobile tire | Seiichi Toda | 2011-08-16 |
| D637149 | Tire tread | — | 2011-05-03 |
| 7900975 | Threaded joint for steel pipes | Keiichi Nakamura, Takahiro Hamamoto, Masaaki Sugino | 2011-03-08 |