Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835677 | System for directly and indirectly accessing control registers by different operating systems based upon value of operating system indication bit | Yoshihiro Mizushima, Katsumi Ohnishi, Motokazu Kato, Toshio Matsumoto | 1989-05-30 |
| 4623962 | Register control processing system | Toshio Matsumoto, Motokazu Kato, Yoshihiro Mizushima, Katsumi Ohnishi | 1986-11-18 |
| 4594710 | Data processing system for preventing machine stoppage due to an error in a copy register | Fumirou Matsunoshita | 1986-06-10 |
| 4566062 | Timing control system in data processor | Katsumi Ohnishi, Yoshihiro Mizushima | 1986-01-21 |
| 4566103 | Method for recovering from error in a microprogram-controlled unit | Kazuyuki Shimizu | 1986-01-21 |