Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5332317 | Sliding/rolling bearing having rolling elements | Kosaburo Niwa | 1994-07-26 |
| 5306090 | Sliding roller bearing having rolling members | Kosaburo Niwa | 1994-04-26 |
| 5302032 | Radial/thrust composite-bearing having rolling elements | Kosaburo Niwa | 1994-04-12 |