Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5956520 | Microcomputer for accessing a memory outside the chip by using an address generated from the CPU | Toshio Kishi, Toru Shimizu, Shunichi Iwata, Yuichi Nakao, Toshio Doi | 1999-09-21 |
| 5669012 | Data processor and control circuit for inserting/extracting data to/from an optional byte position of a register | Toru Shimizu, Shunichi Iwata, Toshio Doi | 1997-09-16 |
| 5524226 | Register file system for microcomputer including a decoding system for concurrently activating source and destination word lines | Masaaki Arioka | 1996-06-04 |
| 5487157 | Microprogrammed microcomputer with high-speed interrupt for DRAM refresh | — | 1996-01-23 |
| 5394533 | Cache system having only entries near block boundaries | Toshio Doi | 1995-02-28 |
| 5392435 | Microcomputer having a system clock frequency that varies in dependence on the number of nested and held interrupts | Norio Masui | 1995-02-21 |
| 5323175 | Screen display element | Toshio Doi, Yoshinori Hayashi | 1994-06-21 |
| 5303354 | Data transfer system between registers for microcomputer | Ryohei Higuchi | 1994-04-12 |
| 4937782 | Counter control method | Toyokatsu Nakajima, Kikuo Muramatsu | 1990-06-26 |
| 4639892 | Semiconductor read-only memory device | Tsunenori Umeki | 1987-01-27 |