Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5592675 | Computer controlled method and system capable of preserving information representing plural work states and recovering the work states | Hiromichi Itoh, Keiichi Nakane, Naomichi Nonaka | 1997-01-07 |