Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4987527 | Perspective display device for displaying and manipulating 2-D or 3-D cursor, 3-D object and associated mark position | Tomoyuki Hamada, Ikuo Takeuchi, Yuriko Watanabe | 1991-01-22 |