Inventor · Fujisawa, JP

Yutaka Shimizu

80Patents
12h-index
100Co-inventors
87Inventor score

Filing activity: Feb 22, 1982 → May 26, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6665806B1 Power saving for a portable information processing apparatus using switch that shuts off power to sub memory block when in battery mode and supplies power when in AC mode Emerging Cross-Sectional Technologies 138 Expired
US5448261A Cursor control device Physics 87 Expired
US5375599A Organically responsive scrolling in ultrasonic diagnostic equipment Physics 75 Expired
US5572659A Adapter for constructing a redundant disk storage system Physics 62 Expired
US5808381A Linear motor Electricity 62 Expired
US6927952B2 CPP GMR free layer having ferromagnetic layers with parallel magnetization separated by non-magnetic layer Physics 55 Expired
US4491909A Data processing system having shared memory Physics 33 Expired
US5861879A Video signal processing device for writing and reading a video signal with respect to a memory according to different clocks, while preventing a write/read address pass-by in the memory Physics 22 Expired
US5414318A Brush device Electricity 21 Expired
US5745186A Video signal processing circuit for reducing a video signal Electricity 18 Expired
US4617635A Numerical control machining system Physics 14 Expired
US5356277A Vane type gas compressor Emerging Cross-Sectional Technologies 12 Expired
US6781799B2 Current perpendicular-to-the-plane structure spin valve magnetoresistive head Physics 12 Expired
US5522970A Distilling tube apparatus Emerging Cross-Sectional Technologies 11 Expired
US6327121A GMR head, method for its manufacture, and magnetic disc drive utilizing the head Emerging Cross-Sectional Technologies 11 Expired
US6160590A Video signal processing circuit inhibiting display of distorted images Electricity 10 Expired
US7342751B2 Magnetoresistive effect having multiple base layers between an electrode and an antiferromagnetic layer, magnetic head, and magnetic recording device Electricity 10 Expired
US4479106A Rotary electric component Electricity 10 Expired
US6995960B2 Spin valve magnetoresistive sensor having CPP structure Electricity 10 Expired
US5146459A Electronic equipment with check-sum function Physics 9 Expired
US4757552A Method for processing binary image data Electricity 9 Expired
US5393484A Process for producing sintered body and magnet base Emerging Cross-Sectional Technologies 9 Expired
US5303792A Amoring structure for construction machines Fixed Constructions 9 Expired
US7180713B2 Magnetoresistive element Electricity 9 Expired
US5963221A Device for writing and reading of size reduced video on a video screen by fixing read and write of alternating field memories during resize operation Physics 8 Expired

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