Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876665 | Document processing system deciding apparatus provided with selection functions | Isamu Iwai, Toshio Okamoto | 1989-10-24 |
| 4813010 | Document processing using heading rules storage and retrieval system for generating documents with hierarchical logical architectures | Toshio Okamoto, Isamu Iwai | 1989-03-14 |