Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875263 | Method of manufacturing a dynamic pressure type slide bearing | — | 1989-10-24 |
| 4871268 | Rolling bearing | Tomoki Muraoka, Yasuo Murakami, Tsutomu Abe | 1989-10-03 |
| 4842426 | Bearing assembly | Shigeki Matsunaga | 1989-06-27 |