Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5361349 | Virtual object management system for managing virtual objects which correspond to real objects under a user defined hierarchy | Yumiko Sugita, Hisashi Hashimoto, Masaki Tsuruki | 1994-11-01 |