Inventor · Yokohama, JP

Hirokazu Shimada

17Patents
4h-index
22Co-inventors
60Inventor score

Filing activity: Apr 12, 1989 → Aug 10, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US7698418B2 Monitoring system Physics 80 Active
US6704369B1 Apparatus and method for signal separation and recording medium for the same Electricity 19 Expired
US5089371A Heat development type diazo copying material containing a light insensitive intermediate layer provided between the support and the photosensitive layer Physics 5 Expired
US5236800A Heat-developable light-sensitive copying material comprising microcapsules having substantially no solvent Physics 4 Expired
US5407777A Diazo-type recording material comprising a 1-phenyl-3-pyrazolidone(phenidone) as an anti-oxidant Physics 4 Expired
US5945247A Heat development duplicating material comprising ascorbic acid Physics 3 Expired
US8274166B2 Semiconductor device and method of manufacturing the same Electricity 1 Active
US8582494B2 Data relay device and frame processing method by the same Electricity 1 Active
US5338642A Diazo type recording material comprising two couplers wherein the novel coupler used is a bis-malonamide Physics 1 Expired
US6872687B2 Thermosensitive recording material Physics 1 Expired
US8385816B2 Relay device and relay method Electricity 1 Active
US8283005B2 Inkjet recording medium and method of manufacturing the same Performing Operations; Transporting 0 Active
US9794018B2 Optical network system and optical communication method Electricity 0 Active
US8084106B2 Inkjet recording medium and method of manufacturing the same Performing Operations; Transporting 0 Active
US6767861B2 Heat-sensitive recording material Performing Operations; Transporting 0 Expired
US8186827B2 Inkjet recording medium and inkjet recording method Performing Operations; Transporting 0 Active
US8257803B2 Inkjet recording medium and inkjet recording method Performing Operations; Transporting 0 Active

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