Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833597 | Dictionary/directory management method in database system | Satoshi Wakayama, Ichiro Yokoyama, Kazuaki Tanaka, Yoshito Kamegi, Mikihiko Tokunaga +1 more | 1989-05-23 |
| 4819160 | Method of processing data access in a database management system with data dictionary directory | Kazuaki Tanka, Ichiro Yokoyama, Satoshi Wakayama, Makoto Urakawa, Takashi Iihama | 1989-04-04 |