Inventor · Tokorozawa, JP

Shiro Baba

61Patents
19h-index
62Co-inventors
87Inventor score

Filing activity: Sep 21, 1982 → Feb 2, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US5867726A Microcomputer Physics 83 Expired
US6026020A Data line disturbance free memory block divided flash memory and microcomputer having flash memory therein Emerging Cross-Sectional Technologies 75 Expired
US5581503A Data line disturbance free memory block divided flash memory and microcomputer having flash memory therein Emerging Cross-Sectional Technologies 72 Expired
US5884092A System for maintaining fixed-point data alignment within a combination CPU and DSP system Physics 60 Expired
US5682545A Microcomputer having 16 bit fixed length instruction format Physics 54 Expired
US5321845A Single-chip microcomputer including non-volatile memory elements Physics 49 Expired
US5768194A Data line disturbance free memory block divided flash memory and microcomputer having flash memory therein Emerging Cross-Sectional Technologies 46 Expired
US5293586A Data processing system for development of outline fonts Physics 45 Expired
US5070473A Microprocessor Physics 44 Expired
US5307464A Microprocessor and method for setting up its peripheral functions Physics 39 Expired
US4825355A Instruction format for program control type data processing systems Physics 35 Expired
US4881167A Data memory system Physics 35 Expired
US6181598A Data line disturbance free memory block divided flash memory and microcomputer having flash memory Emerging Cross-Sectional Technologies 26 Expired
US4833640A Register bank change including register to register transfer in a data processing system Physics 24 Expired
US6493271B2 Data line disturbance free memory block divided flash memory and microcomputer having flash memory therein Emerging Cross-Sectional Technologies 23 Expired
US5511211A Method for flexibly developing a data processing system comprising rewriting instructions in non-volatile memory elements after function check indicates failure of required functions Physics 22 Expired
US6130836A Semiconductor IC device having a control register for designating memory blocks for erasure Emerging Cross-Sectional Technologies 21 Expired
US6434690B1 Microprocessor having a DSP and a CPU and a decoder discriminating between DSP-type instructions and CUP-type instructions Physics 21 Expired
US5117488A Microprogram controlled microprocessor having a selectively expandable instruction code length including independent description of operand addressing and a type of operation for an operand by single instruction in a common coding scheme Physics 20 Expired
US4792891A Data processor Physics 17 Expired
US5021951A Data Processor Physics 17 Expired
US4998197A Data processor with fast break in program execution by selectively processing either external control signal or external interrupt Physics 14 Expired
US5666510A Data processing device having an expandable address space Physics 14 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
US6064593A Semiconductor integrated circuit device having an electrically erasable and programmable nonvolatile memory and a built-in processing unit Emerging Cross-Sectional Technologies 12 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.