Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4689921 | Process of contouring the edges of a ceramic rotor | Yoshinori Hattori | 1987-09-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4689921 | Process of contouring the edges of a ceramic rotor | Yoshinori Hattori | 1987-09-01 |