Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5469616 | Method of manufacturing a side rail of a combined oil ring | Satomichi Miyazaki, Akira Harayama, Masao Ishida | 1995-11-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5469616 | Method of manufacturing a side rail of a combined oil ring | Satomichi Miyazaki, Akira Harayama, Masao Ishida | 1995-11-28 |