Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663827 | Polygonal mirror of synthetic resin and producing method thereof | Hiroshi Ono | 1997-09-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663827 | Polygonal mirror of synthetic resin and producing method thereof | Hiroshi Ono | 1997-09-02 |