Hiroyuki Ishida
122Patents
20h-index
146Co-inventors
93Inventor score
Filing activity: Feb 17, 1987 → Jul 7, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| 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.