Inventor · Yokohama, JP

Fumio Baba

20Patents
12h-index
16Co-inventors
74Inventor score

Filing activity: Oct 18, 1978 → Dec 14, 1994

Most-cited inventions

PatentTitleAreaCited byStatus
US5508565A Semiconductor device having a plurality of chips having identical circuit arrangement sealed in package Electricity 127 Expired
US4413272A Semiconductor devices having fuses Electricity 62 Expired
US4757477A Dual-port semiconductor memory device Physics 43 Expired
US5303192A Semiconductor memory device having information indicative of presence of defective memory cell Physics 43 Expired
US4428068A IC with built-in electrical quality control flag Physics 28 Expired
US4574203A Clock generating circuit providing a boosted clock signal Electricity 27 Expired
US4278989A Semiconductor device having cross wires Emerging Cross-Sectional Technologies 23 Expired
US4382194A Boosting circuit Electricity 22 Expired
US4899310A Semiconductor memory device having a register Physics 20 Expired
US4596001A Block-divided semiconductor memory device Physics 17 Expired
US4392211A Semiconductor memory device technical field Physics 16 Expired
US4409496A MOS Device including a substrate bias generating circuit Electricity 14 Expired
US4578780A Dual port type semiconductor memory Physics 10 Expired
US4262341A Memory circuit Physics 8 Expired
US4542307A Double bootstrapped clock buffer circuit Electricity 8 Expired
US4558434A Semiconductor memory device Physics 6 Expired
US4409678A Semiconductor memory device Physics 6 Expired
US4680734A Semiconductor memory device Physics 5 Expired
US4653027A Semiconductor memory device Physics 3 Expired
US4672372A Semiconductor device having matched-timing dynamic circuit and static circuit Physics 1 Expired

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