Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8821428 | Traction apparatus and rope take-up mechanism of traction apparatus | Noboru Tanaka, Toshimasa Sakagami | 2014-09-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8821428 | Traction apparatus and rope take-up mechanism of traction apparatus | Noboru Tanaka, Toshimasa Sakagami | 2014-09-02 |