Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5471615 | Distributed data processing system having front-end and back-end computers with different operating systems | Keiji Amatsu, Zenhachiroh Butoh, Hiroshi Hirai, Hirofumi Morita, Takeo Nakajima +4 more | 1995-11-28 |