Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819160 | Method of processing data access in a database management system with data dictionary directory | Kazuaki Tanka, Ichiro Yokoyama, Shigeru Yoneda, Satoshi Wakayama, Makoto Urakawa | 1989-04-04 |