Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5091964 | Apparatus for extracting a text region in a document image | — | 1992-02-25 |
| 4876732 | System for detecting rotational angle of objective pattern | Michiaki Miyagawa, Yutaka Ishizaka | 1989-10-24 |