Inventor · Tokyo, JP

Shigekazu Ito

14Patents
6h-index
22Co-inventors
66Inventor score

Filing activity: Oct 29, 1986 → Aug 1, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US4992438A Pyrimidine derivatives, process for preparing the same and agricultural or horticultural fungicidal composition containing the same Chemistry; Metallurgy 25 Expired
US6392602B2 Circularly polarized wave antenna and device using the same Electricity 11 Expired
US5348976A Condensed heterocyclic derivatives and agricultural or horticultural fungicides containing the same Chemistry; Metallurgy 10 Expired
US4814338A Pyrimidine derivative, process for preparing same and agricultural or horticultural fungicidal composition containing same Chemistry; Metallurgy 10 Expired
US6396442B1 Circularly polarized antenna device and radio communication apparatus using the same Electricity 10 Expired
US4988704A Pyrimidine derivative, process for preparing same and argicultural or horticultural fungicidal composition containing same Chemistry; Metallurgy 6 Expired
US6384786B2 Antenna device and communication apparatus Electricity 6 Expired
US7767044B2 Method for heat-treating steel material Mechanical Engineering; Lighting; Heating 1 Active
US8314737B2 Antenna device and wireless communication apparatus including the same Electricity 0 Active
US10407590B2 Actinic-ray-curable resin composition, layered film including hardcoat formed therefrom, and layered transparent resin product Chemistry; Metallurgy 0 Active
US11549031B2 Coating material for forming matte hard coat, and decorative sheet using same Chemistry; Metallurgy 0 Active
US8791866B2 Antenna device and wireless communication apparatus including the same Electricity 0 Active
US11466111B2 Coating material for formation of matte hard coat, and decorative sheet using same Chemistry; Metallurgy 0 Active
US10696861B2 Actinic-ray-curable resin composition, layered film including hardcoat formed therefrom, and layered transparent resin product Chemistry; Metallurgy 0 Active

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