Inventor · Yokohama, JP

Ken Eguchi

67Patents
19h-index
51Co-inventors
87Inventor score

Filing activity: Mar 15, 1985 → Oct 1, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US4939556A Conductor device Electricity 80 Expired
US4683147A Method of forming deposition film Performing Operations; Transporting 67 Expired
US5721721A Two scanning probes information recording/reproducing system with one probe to detect atomic reference location on a recording medium Emerging Cross-Sectional Technologies 66 Expired
US4683146A Process for producing deposition films Electricity 66 Expired
US5623476A Recording device and reproduction device Emerging Cross-Sectional Technologies 52 Expired
US5519686A Encoder for controlling measurements in the range of a few angstroms Emerging Cross-Sectional Technologies 49 Expired
US4683145A Method for forming deposited film Performing Operations; Transporting 46 Expired
US4672265A Electroluminescent device Chemistry; Metallurgy 46 Expired
US4569855A Method of forming deposition film Electricity 41 Expired
US5329514A Information processing apparatus, and electrode substrate and information recording medium used in the apparatus Physics 39 Expired
US5046822A Liquid crystal device Emerging Cross-Sectional Technologies 36 Expired
US5278704A Information processing apparatus including magnetic material having a predetermined magnetization pattern with respect to a recording medium Physics 36 Expired
US5241527A Recording and reproducing apparatus and method using a recording layer having a positioning region Emerging Cross-Sectional Technologies 36 Expired
US4741976A Electroluminescent device Emerging Cross-Sectional Technologies 35 Expired
US5136212A Electron emitting device, electron generator employing said electron emitting device, and method for driving said generator Electricity 31 Expired
US4775820A Multilayer electroluminescent device Electricity 27 Expired
US5412597A Slope detection method, and information detection/writing apparatus using the method Emerging Cross-Sectional Technologies 27 Expired
US6308405A Process for preparing an electrode substrate Emerging Cross-Sectional Technologies 24 Expired
US4683144A Method for forming a deposited film Performing Operations; Transporting 23 Expired
US5432379A MIM-type electric device production thereof, and electronic apparatus employing the device Electricity 17 Expired
US4790664A Device and method for measuring optical properties Physics 17 Expired
US5239398A Liquid crystal device with phenylenevinylene or phenylene sulfide alignment films having particular high electrical conductivity Chemistry; Metallurgy 17 Expired
US5391871A Scanning probe microscope Emerging Cross-Sectional Technologies 17 Expired
US4798740A Polymerizable film and pattern forming method by use thereof Physics 16 Expired
US5009489A Liquid crystal device Physics 16 Expired

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