Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8044544 | Rolling bearing, spindle support structure of main motor for railway vehicle, and bearing structure | Katsunori Sone, Tsukasa Yamakawa, Naoaki Tsuji | 2011-10-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8044544 | Rolling bearing, spindle support structure of main motor for railway vehicle, and bearing structure | Katsunori Sone, Tsukasa Yamakawa, Naoaki Tsuji | 2011-10-25 |