Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4933865 | Apparatus for recognition of drawn shapes or view types for automatic drawing input in CAD system | Masanari Yamamoto, Yoshikazu Ito, Michiko Iwasaki, Hiroaki Harada | 1990-06-12 |