Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696916 | Information storage and retrieval system and display method therefor | Naoko Yamazaki, Hiromichi Fujisawa, Tetsuya Hashimoto | 1997-12-09 |
| 5644740 | Method and apparatus for displaying items of information organized in a hierarchical structure | — | 1997-07-01 |