Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8052536 | Boot for universal joint | Kenta Yamazaki, Minoru Ishijima | 2011-11-08 |
| 7955179 | Boot for universal joint | Kenta Yamazaki, Minoru Ishijima | 2011-06-07 |
| 7952342 | Constant current source apparatus | — | 2011-05-31 |
| 7871316 | Passage opening and closing device | Ryouji Hori, Masakazu Chihiro | 2011-01-18 |