Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7266578 | Method and hardware for computing reciprocal square root and program for the same | — | 2007-09-04 |
| 5206825 | Arithmetic processor using signed-digit representation of external operands | Tsuguyasu Hatsuda, Toru Kakiage, Takashi Taniguchi, Tamotsu Nishiyama | 1993-04-27 |
| 5153847 | Arithmetic processor using signed digit representation of internal operands | Tsuguyasu Hatsuda, Toru Kakiage, Takashi Taniguchi, Tamotsu Nishiyama | 1992-10-06 |
| 4868777 | High speed multiplier utilizing signed-digit and carry-save operands | Tamotsu Nishiyama, Shigeo Kuninobu | 1989-09-19 |
| 4866655 | Arithmetic processor and divider using redundant signed digit | Tamotsu Nishiyama, Shigeo Kuninobu, Takashi Taniguchi | 1989-09-12 |
| 4866657 | Adder circuitry utilizing redundant signed digit operands | Tamotsu Nishiyama, Shigeo Kuninobu, Takashi Taniguchi | 1989-09-12 |
| 4864528 | Arithmetic processor and multiplier using redundant signed digit arithmetic | Tamotsu Nishiyama, Shigeo Kuninobu, Takashi Taniguchi | 1989-09-05 |