Inventor · Shibukawa, JP

Kiyoshi Tanaka

70Patents
17h-index
140Co-inventors
87Inventor score

Filing activity: Aug 23, 1974 → Nov 26, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US5357122A Three-dimensional optical-electronic integrated circuit device with raised sections Electricity 111 Expired
US5610946A Radio communication apparatus Electricity 107 Expired
US6122973A Electrostatic capacity-type pressure sensor with reduced variation in reference capacitance Physics 63 Expired
US5144843A Pressure sensor Physics 44 Expired
US5893034A Cordless parent/slave telephone set with improved sidetone handling Electricity 35 Expired
US6270392A Polishing apparatus and method with constant polishing pressure Performing Operations; Transporting 33 Expired
US5574994A Method of correcting carrier leak in a transmitter Electricity 30 Expired
US5328338A Hermetically sealed electric motor compressor Emerging Cross-Sectional Technologies 28 Expired
US7712123B2 Method, system, and apparatus for acquiring information concerning broadcast information Electricity 24 Expired
US5434905A Digital cordless telephone set operated under burst synchronization Electricity 21 Expired
US6125277A Cordless telephone containing a protocol converting circuit to connect to digital exchanges having different protocols Electricity 20 Expired
US5557944A Refrigerating unit Mechanical Engineering; Lighting; Heating 20 Expired
US5861577A Seal structure for member-passing-through hole bored in metal partition member Emerging Cross-Sectional Technologies 19 Expired
US5598430A Analog/digital receiver Electricity 18 Expired
US6074023A Guide roller assembly for crawler type vehicles and method for forming guide roller Performing Operations; Transporting 18 Expired
US5533010A Channel switching control method and a cordless telephone system using the same Electricity 18 Expired
US5658987A Rubber composition Emerging Cross-Sectional Technologies 17 Expired
US5704216A Refrigerating unit Mechanical Engineering; Lighting; Heating 16 Expired
US7761326B2 Token type content providing system and token type content providing method and portable user terminal Physics 16 Active
US5003516A Ultrasonic probe and manufacture method for same Emerging Cross-Sectional Technologies 15 Expired
US5932808A Pressure sensor module having dual insulating substrates on the pressure sensing and non-pressure sensing sides Physics 14 Expired
US6342166B1 Method of detecting end point of polishing of wafer and apparatus for detecting end point of polishing Electricity 12 Expired
US4993203A Fireproof frame structure in a building opening portion Fixed Constructions 11 Expired
US6520895B2 Polishing device and polishing pad component exchange device and method Emerging Cross-Sectional Technologies 11 Expired
US5764685A Method of setting spread code series and communication apparatus using spread spectrum communication method Electricity 11 Expired

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