Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5450610 | RISC system capable of performing calls and returns without advancing or restoring window pointers | Tan Watanabe, Keiichi Kurakazu, Yugo Kashiwagi, Keisuke Toyama | 1995-09-12 |
| 5214786 | RISC system performing calls and returns without saving or restoring window pointers and delaying saving until multi-register areas are filled | Tan Watanabe, Keiichi Kurakazu, Yugo Kashiwagi, Keisuke Toyama | 1993-05-25 |