Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5635972 | Residual recording material amount detector for laser printer | Akira Maruyama, Hiroshi Niki | 1997-06-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5635972 | Residual recording material amount detector for laser printer | Akira Maruyama, Hiroshi Niki | 1997-06-03 |