Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8043023 | Power transmission mechanism of shaft and hub | Masahiko Igarashi, Takeshi Mochizuki | 2011-10-25 |
| 7972078 | Power transmission mechanism of shaft and hub | Masahiko Igarashi, Takeshi Mochizuki | 2011-07-05 |
| 7892364 | Surface modifying jig of engine valve and surface modifying method employing it | Tadao Baba, Takahiro Yamaguchi | 2011-02-22 |