Inventor · Hachioji, JP

Hirokazu Aoki

29Patents
13h-index
46Co-inventors
81Inventor score

Filing activity: Aug 24, 1976 → Nov 24, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US5283886A Multiprocessor cache system having three states for generating invalidating signals upon write accesses Physics 60 Expired
US5202969A Single-chip-cache-buffer for selectively writing write-back and exclusively writing data-block portions to main-memory based upon indication of bits and bit-strings respectively Physics 53 Expired
US6300807A Timing-control circuit device and clock distribution system Electricity 38 Expired
US6683503B2 Semiconductor integrated circuit having oscillators or oscillation circuits connected to a wiring line at connection points with intervals in length therebetween Electricity 33 Expired
US5287484A Multi-processor system for invalidating hierarchical cache Physics 30 Expired
US5146573A Single chip cache with partial-write circuit for transferring a preselected portion of data between memory and buffer register Physics 27 Expired
US5140681A Multi-processing system and cache apparatus for use in the same Physics 27 Expired
US4812969A Address translation unit Physics 23 Expired
US5454087A Branching system for return from subroutine using target address in return buffer accessed based on branch type information in BHT Physics 22 Expired
US4607178A Reset signal generating circuit Electricity 22 Expired
US6515519B1 Semiconductor integrated circuit device Emerging Cross-Sectional Technologies 21 Expired
US4831586A Content-addressed memory Physics 14 Expired
US6489824B2 Timing-control circuit device and clock distribution system Electricity 14 Expired
US6947514B1 Phase-locked loop circuit, information processing apparatus, and information processing system Electricity 13 Expired
US5193075A Static memory containing sense AMP and sense AMP switching circuit Physics 9 Expired
US5109492A Microprocessor which terminates bus cycle when access address falls within a predetermined processor system address space Physics 9 Expired
US5267198A Static memory containing sense amp and sense amp switching circuit Physics 7 Expired
US4930104A Content-addressed memory Physics 6 Expired
US6922113B2 Semiconductor integrated circuit having oscillators or oscillation circuits connected to a wiring line at connection points with intervals in length there between Electricity 5 Expired
US6879188B2 Semiconductor integrated circuit device Emerging Cross-Sectional Technologies 5 Expired
US4379341A Series resonance drive circuit for magnetic bubble memory Physics 4 Expired
US4101971A Magnetic bubble information writing device Physics 2 Expired
US4519049A Magnetic bubble memory having auxiliary storage loops Physics 1 Expired
US4430729A Series resonant drive circuit for magnetic bubble memory Physics 1 Expired
US4530070A Magnetic bubble memory device Physics 0 Expired

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