Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6996700 | Microcomputer and dividing circuit | Shumpei Kawasaki, Eiji Sakakibara, Kaoru Fukada, Takanaga Yamazaki, Yasushi Akao +15 more | 2006-02-07 |
| 6343357 | Microcomputer and dividing circuit | Shumpei Kawasaki, Eiji Sakakibara, Kaoru Fukada, Takanaga Yamazaki, Yasushi Akao +15 more | 2002-01-29 |
| 6272620 | Central processing unit having instruction queue of 32-bit length fetching two instructions of 16-bit fixed length in one instruction fetch operation | Shumpei Kawasaki, Eiji Sakakibara, Kaoru Fukada, Takanaga Yamazaki, Yasushi Akao +15 more | 2001-08-07 |
| 6253308 | Microcomputer having variable bit width area for displacement and circuit for handling immediate data larger than instruction word | Shumpei Kawasaki, Eiji Sakakibara, Kaoru Fukada, Takanaga Yamazaki, Yasushi Akao +15 more | 2001-06-26 |
| 6205535 | Branch instruction having different field lengths for unconditional and conditional displacements | Shumpei Kawasaki, Eiji Sakakibara, Kaoru Fukada, Takanaga Yamazaki, Yasushi Akao +15 more | 2001-03-20 |
| 6131154 | Microcomputer having variable bit width area for displacement | Shumpei Kawasaki, Eiji Sakakibara, Kaoru Fukada, Takanaga Yamazaki, Yasushi Akao +15 more | 2000-10-10 |
| 6122724 | Central processing unit having instruction queue of 32-bit length fetching two instructions of 16-bit fixed length in one instruction fetch operation | Shumpei Kawasaki, Eiji Sakakibara, Kaoru Fukada, Takanaga Yamazaki, Yasushi Akao +15 more | 2000-09-19 |
| 5991545 | Microcomputer having variable bit width area for displacement and circuit for handling immediate data larger than instruction word | Shumpei Kawasaki, Eiji Sakakibara, Kaoru Fukada, Takanaga Yamazaki, Yasushi Akao +15 more | 1999-11-23 |
| 5969976 | Division circuit and the division method thereof | Shumpei Kawasaki, Eiji Sakakibara, Kaoru Fukada, Takanaga Yamazaki, Yasushi Akao +15 more | 1999-10-19 |
| 5682545 | Microcomputer having 16 bit fixed length instruction format | Shumpei Kawasaki, Eiji Sakakibara, Kaoru Fukada, Takanaga Yamazaki, Yasushi Akao +15 more | 1997-10-28 |
| 5313650 | System for performing writes to non-volatile memory elements in a minimal time | Naoki Mitsuishi, Kiyoshi Matsubara | 1994-05-17 |
| 5261110 | System for performing writes to non-volatile memory elements in a minimal time | Naoki Mitsuishi, Kiyoshi Matsubara | 1993-11-09 |
| 5175840 | Microcomputer having a PROM including data security and test circuitry | Terumi Sawase, Hideo Nakamura, Yoshimune Hagiwara, Kiyoshi Matsubara, Tadashi Yamaura | 1992-12-29 |
| 5136546 | Semiconductor memory | Minoru Fukuda, Hideaki Takahashi, June Sugiura, Fumio Tsuchiya | 1992-08-04 |
| 4984212 | Semiconductor memory | Minoru Fukuda, Hideaki Takahashi, June Sugiura, Fumio Tsuchiya | 1991-01-08 |
| 4905195 | Semiconductor memory | Minoru Fukuda, Hideaki Takahashi, June Sugiura, Fumio Tsuchiya | 1990-02-27 |
| 4860087 | Semiconductor device and process for producing the same | Kiyoshi Matsubara, Tadashi Yamaura, Norishige Kawashimo | 1989-08-22 |
| 4788665 | Semiconductor memory | Minoru Fukuda, Hideaki Takahashi, June Sugiura, Fumio Tsuchiya | 1988-11-29 |
| 4691298 | Semiconductor memory | Minoru Fukuda, Hideaki Takahashi, June Sugiura, Fumio Tsuchiya | 1987-09-01 |
| 4653026 | Nonvolatile memory device or a single crystal silicon film | Kazuhiro Komori, Satoshi Meguro, Satoru Ito, Harumi Wakimoto | 1987-03-24 |
| 4615005 | Data processing apparatus with clock signal control by microinstruction for reduced power consumption and method therefor | Hideo Maejima, Koyo Katsura, Yasushi Akao | 1986-09-30 |
| 4404659 | Programmable read only memory | Toshifumi Inoue | 1983-09-13 |
| 4250493 | Analog-to-digital converter employing constant-current circuit incorporating MISFET | Toshiro Tsukada | 1981-02-10 |