Inventor · Yamaguchi, JP

Masahide Tanaka

177Patents
17h-index
117Co-inventors
89Inventor score

Filing activity: Mar 30, 1976 → Oct 5, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US8521239B2 Mobile telephone Electricity 85 Active
US4071674A Process for polymerization or copolymerization of olefin and catalyst compositions used therefor Chemistry; Metallurgy 67 Expired
US7519268B2 Image recording apparatus, dynamic image processing apparatus, dynamic image reproduction apparatus, dynamic image recording apparatus, information recording / reproduction apparatus and methods employed therein, recording medium with computer program stored therein Electricity 48 Active
US8421748B2 Information exchange device Electricity 41 Active
US8886263B2 Incoming/outgoing-talk unit and incoming-talk unit Electricity 34 Active
US6392697B1 Digital still camera Electricity 33 Expired
US5952450A Crosslinked polycarbonate and polylactic acid composition containing the same Chemistry; Metallurgy 32 Expired
US7336775B2 Image storage apparatus, image storage supporting apparatus, image storage system, image management apparatus and image saving apparatus Electricity 31 Expired
US8918149B2 Mobile telephone Electricity 31 Active
US7612806B2 Digital camera Electricity 29 Expired
US9020170B2 Hearing system and finger ring for the hearing system Electricity 28 Active
US8795184B2 Wireless plethysmogram sensor unit, a processing unit for plethysmogram and a plethysmogram system Human Necessities 28 Active
US9742887B2 Mobile telephone Emerging Cross-Sectional Technologies 23 Active
US5950016A Recyclable camera and film combination for a camera recycling system Physics 20 Expired
US7016595B1 Television set capable of controlling external device and image storage controlled by television set Electricity 19 Expired
US5639719A Lubricating oil containing aromatic ether compounds Chemistry; Metallurgy 19 Expired
US6919923B1 Digital still camera capable of communicating audio and image data to/from a remote site Electricity 18 Expired
US10356231B2 Cartilage conduction hearing device using an electromagnetic vibration unit, and electromagnetic vibration unit Electricity 17 Active
US5326486A Lubricating oil composition Chemistry; Metallurgy 17 Expired
US8725338B2 Vehicle and system for charging the same Emerging Cross-Sectional Technologies 16 Active
US8548659B2 Vehicle and system for charging the same Emerging Cross-Sectional Technologies 16 Active
US9313306B2 Mobile telephone cartilage conduction unit for making contact with the ear cartilage Electricity 16 Active
US9080758B2 LED lamp Emerging Cross-Sectional Technologies 16 Active
US8444918B2 Water purifier Chemistry; Metallurgy 15 Active
US5294356A Polycarbonates, uses thereof, processes for preparing and purifying same Chemistry; Metallurgy 14 Expired

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