Inventor · Shizuoka, JP

Hiroyuki Ishida

122Patents
20h-index
146Co-inventors
93Inventor score

Filing activity: Feb 17, 1987 → Jul 7, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US8325962B2 Headphones Electricity 73 Active
US7073931B2 Vehicular headlamp and optical unit Emerging Cross-Sectional Technologies 72 Expired
US6029047A Cable telephony terminal device having a call line selector Electricity 68 Expired
US6948836B2 Light source unit having orthogonally disposed semiconductor light emitter Mechanical Engineering; Lighting; Heating 53 Expired
US7156544B2 Vehicle headlamp Mechanical Engineering; Lighting; Heating 46 Expired
US6293686A Lighting device for vehicles Emerging Cross-Sectional Technologies 41 Expired
US5574117A Acrylic polymer, its use and process for producing it Chemistry; Metallurgy 37 Expired
US7097334B2 Light source unit for vehicular lamp Mechanical Engineering; Lighting; Heating 37 Expired
US7204627B2 Lamp unit for forming a cut-off line and vehicular headlamp using the same Electricity 37 Expired
US6626565B2 Vehicle headlamp Mechanical Engineering; Lighting; Heating 28 Expired
US7282748B2 Light emitting module and lamp Electricity 26 Expired
US7696522B2 Light emitting device Electricity 26 Expired
US6951416B2 Vehicle headlamp Mechanical Engineering; Lighting; Heating 24 Expired
US5839347A Wobble plate compressor with swash plate guide member Emerging Cross-Sectional Technologies 24 Expired
US6891333B2 Vehicle headlamp Mechanical Engineering; Lighting; Heating 23 Expired
US6882110B2 Headlamp for vehicle Emerging Cross-Sectional Technologies 23 Expired
US7207705B2 Vehicle illumination lamp Mechanical Engineering; Lighting; Heating 23 Expired
US5798684A Thin-film temperature sensor Emerging Cross-Sectional Technologies 22 Expired
US5800137A Refrigerating compressor with breakaway pulley portion Mechanical Engineering; Lighting; Heating 20 Expired
US5079652A Device for controllably lessening load forces on disk media in aerodynamically flying head data storage file Physics 20 Expired
US7178960B2 Vehicular illumination lamp Mechanical Engineering; Lighting; Heating 18 Expired
US7201506B2 Vehicular headlamp with semiconductor light emitting elements and electric discharge bulb Mechanical Engineering; Lighting; Heating 17 Expired
US7261448B2 Vehicular headlamp Mechanical Engineering; Lighting; Heating 17 Expired
USD915469S1 Wheel loader General 17 Active
US7131758B2 Vehicle headlamp with light-emitting unit shifted from optical axis of lens Emerging Cross-Sectional Technologies 16 Expired

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