Inventor · Hitachi, JP

Takeo Yamazaki

40Patents
12h-index
70Co-inventors
84Inventor score

Filing activity: Mar 30, 1976 → May 19, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US6477132B1 Probe and information recording/reproduction apparatus using the same Emerging Cross-Sectional Technologies 56 Expired
US4105810A Chemical vapor deposition methods of depositing zinc boro-silicated glasses Electricity 38 Expired
US6156215A Method of forming a projection having a micro-aperture, projection formed thereby, probe having such a projection and information processor comprising such a probe Performing Operations; Transporting 35 Expired
US4319215A Non-linear resistor and process for producing same Electricity 26 Expired
US8123398B2 Fluid-processing device Emerging Cross-Sectional Technologies 25 Active
US6011261A Probe formed of mono-crystalline SI, the manufacturing method thereof, and an information processing device using the probe Emerging Cross-Sectional Technologies 23 Expired
US5093314A Superconducting wire and method of manufacturing the same Emerging Cross-Sectional Technologies 20 Expired
US4364284A Parking brake releasing system with cable attaching bush Emerging Cross-Sectional Technologies 16 Expired
US4052768A Handle of a window regulator for vehicles Emerging Cross-Sectional Technologies 15 Expired
US4266979A Oxygen sensor ceramic and process for preparing the same Emerging Cross-Sectional Technologies 14 Expired
US4736183A Oxide resistor Electricity 14 Expired
US6376833B2 Projection having a micro-aperture, probe or multi-probe having such a projection and surface scanner, aligner or information processor comprising such a probe Physics 14 Expired
US4450426A Nonlinear resistor and process for producing the same Electricity 12 Expired
US4692735A Nonlinear voltage dependent resistor and method for manufacturing thereof Emerging Cross-Sectional Technologies 12 Expired
US4326187A Voltage non-linear resistor Chemistry; Metallurgy 11 Expired
US4420737A Potentially non-linear resistor and process for producing the same Emerging Cross-Sectional Technologies 10 Expired
US6834940B2 Liquid discharge head and recording apparatus provided with the liquid discharge head Performing Operations; Transporting 8 Expired
US4943795A Oxide resistor Electricity 8 Expired
US4240307A Parking brakes Emerging Cross-Sectional Technologies 7 Expired
US4949592A Pedal-operated parking brake Emerging Cross-Sectional Technologies 7 Expired
US7302970B2 Liquid delivery device Emerging Cross-Sectional Technologies 6 Expired
US6751925B1 Filling machine Performing Operations; Transporting 6 Expired
US5764129A Ceramic resistor, production method thereof, neutral grounding resistor and circuit breaker Electricity 5 Expired
US4603600A Parking brake operating device Emerging Cross-Sectional Technologies 4 Expired
US4138765A Thermoplastic resin handles for vehicle doors Emerging Cross-Sectional Technologies 4 Expired

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