Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11407434 | Rubbing plate of side bearer of railcar bogie and side bearer | Yasufumi Okumura, Yoshi Sato, Keiji Tada | 2022-08-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11407434 | Rubbing plate of side bearer of railcar bogie and side bearer | Yasufumi Okumura, Yoshi Sato, Keiji Tada | 2022-08-09 |