Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5600428 | Sheet separator for an image forming apparatus | — | 1997-02-04 |
| 5597311 | System for making examination papers and having an automatic marking function | Takako Sato, Tetsuya Kagawa | 1997-01-28 |