Toshimasa Kihara
26Patents
11h-index
39Co-inventors
75Inventor score
Filing activity: Mar 20, 1975 → Dec 11, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4615005A | Data processing apparatus with clock signal control by microinstruction for reduced power consumption and method therefor | Emerging Cross-Sectional Technologies | 154 | Expired |
| US5175840A | Microcomputer having a PROM including data security and test circuitry | Physics | 82 | Expired |
| US4788665A | Semiconductor memory | Physics | 65 | Expired |
| US5682545A | Microcomputer having 16 bit fixed length instruction format | Physics | 54 | Expired |
| US4095278A | Instruction altering system | Physics | 28 | Expired |
| US5136546A | Semiconductor memory | Physics | 28 | Expired |
| US4404659A | Programmable read only memory | Physics | 26 | Expired |
| US4860087A | Semiconductor device and process for producing the same | Electricity | 25 | Expired |
| US4691298A | Semiconductor memory | Physics | 20 | Expired |
| US3989940A | Binary incrementer circuit | Electricity | 18 | Expired |
| US6272620A | Central processing unit having instruction queue of 32-bit length fetching two instructions of 16-bit fixed length in one instruction fetch operation | Physics | 14 | Expired |
| US5969976A | Division circuit and the division method thereof | Physics | 11 | Expired |
| US5313650A | System for performing writes to non-volatile memory elements in a minimal time | Physics | 11 | Expired |
| US5261110A | System for performing writes to non-volatile memory elements in a minimal time | Physics | 10 | Expired |
| US6122724A | Central processing unit having instruction queue of 32-bit length fetching two instructions of 16-bit fixed length in one instruction fetch operation | Physics | 9 | Expired |
| US4905195A | Semiconductor memory | Physics | 7 | Expired |
| US4031514A | Addressing system in an information processor | Physics | 6 | Expired |
| US6253308A | Microcomputer having variable bit width area for displacement and circuit for handling immediate data larger than instruction word | Physics | 6 | Expired |
| US4984212A | Semiconductor memory | Physics | 5 | Expired |
| US5991545A | Microcomputer having variable bit width area for displacement and circuit for handling immediate data larger than instruction word | Physics | 4 | Expired |
| US6343357B1 | Microcomputer and dividing circuit | Physics | 3 | Expired |
| US6996700B2 | Microcomputer and dividing circuit | Physics | 3 | Expired |
| US4250493A | Analog-to-digital converter employing constant-current circuit incorporating MISFET | Physics | 3 | Expired |
| US6131154A | Microcomputer having variable bit width area for displacement | Physics | 3 | Expired |
| US6205535A | Branch instruction having different field lengths for unconditional and conditional displacements | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.