Inventor · Chigasaki, JP

Toshiya Uozumi

47Patents
7h-index
45Co-inventors
69Inventor score

Filing activity: Sep 4, 1996 → Apr 7, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US7269402B2 PLL circuit having a multi-band oscillator and compensating oscillation frequency Electricity 34 Active
US7103337B2 PLL circuit having a multi-band oscillator and compensating oscillation frequency Electricity 27 Expired
US7123102B2 Wireless communication semiconductor integrated circuit device and mobile communication system Electricity 25 Expired
US7647033B2 Semiconductor integrated circuit device for communication Electricity 17 Active
US7859344B2 PLL circuit with improved phase difference detection Electricity 15 Active
US8331520B2 Phase-locked loop circuit and communication apparatus Electricity 10 Active
US7146143B2 Communication semiconductor integrated circuit device and wireless communication system Electricity 7 Expired
US8531244B2 High frequency signal processing device Electricity 6 Active
US7154341B2 Communication semiconductor integrated circuit device and wireless communication system Electricity 6 Expired
US7263340B2 PLL circuit having a multi-band oscillator and compensating oscillation frequency Electricity 5 Active
US8929502B2 High-frequency signal processing device and wireless communication system Electricity 4 Active
US5733990A Catalyst for producing polyolefin and process for producing polyolefin Emerging Cross-Sectional Technologies 4 Expired
US7423493B2 Wireless communication semiconductor integrated circuit device and mobile communication system Electricity 3 Active
US9294264B2 High-frequency signal processing device and wireless communication system Electricity 3 Active
US7499689B2 Communication semiconductor integrated circuit device and a wireless communication system Electricity 3 Active
US8754713B2 PLL circuit with improved phase difference detection Electricity 3 Active
US7205850B2 Communication semiconductor integrated circuit device and a wireless communication system Electricity 3 Expired
US9206265B2 Solid catalyst component for olefin polymerization, catalyst for olefin polymerization, and method for producing olefin polymer Chemistry; Metallurgy 3 Active
US7187911B2 Calibrated PLL for wide band communication semiconductor integrated polar loop transmitter Electricity 2 Expired
US7450921B2 Communication semiconductor integrated circuit device for use in a mobile communication device for correcting variations in the oscillation frequency of a transmission oscillator by calibrating a current of the charge pump Electricity 2 Active
US9243081B2 Solid catalyst component for polymerization of olefin, catalyst for polymerization of olefin, and method for producing olefin polymer Chemistry; Metallurgy 2 Active
US7454176B2 Semiconductor integrated circuit for communication and terminal device for mobile communication Electricity 2 Active
US7242916B2 Communication semiconductor integrated circuit device and wireless communication system Electricity 1 Active
US10011669B2 Method for producing propylene block copolymer Chemistry; Metallurgy 1 Active
US5677255A Polysiloxane supported metallocene catalyst for olefin polymerization Emerging Cross-Sectional Technologies 1 Expired

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