Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833597 | Dictionary/directory management method in database system | Satoshi Wakayama, Ichiro Yokoyama, Kazuaki Tanaka, Mikihiko Tokunaga, Takeshi Kamoshida +1 more | 1989-05-23 |