Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8993493 | Sliding part made of Pb-free Cu-Bi based sintered alloy | Ryo Mukai, Hiromi Yokota | 2015-03-31 |
| 8845776 | Lead-free copper-based sintered sliding material and sliding parts | Ryo Mukai, Atsushi Koyama, Nahomi Hamaguchi, Hiromi Yokota | 2014-09-30 |