Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680612 | Document retrieval apparatus retrieving document data using calculated record identifier | Kazushige Asada, Hideaki Nakayama, Toshio Itoh, Kensaku Yamamoto, Hiroshi Takegawa +3 more | 1997-10-21 |