Patent assignee · JP · COMPANY

Stanley Electric Co., Ltd.

1,452Patents
1,008Active
1,452Granted
60Portfolio score

Filing activity: May 9, 1974 → Jul 26, 2024 · 260 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US4271408A Colored-light emitting display Emerging Cross-Sectional Technologies 496 Expired
US5038255A Vehicle lamp Emerging Cross-Sectional Technologies 411 Expired
US7683954B2 Solid-state image sensor Electricity 400 Active
US4727289A LED lamp Emerging Cross-Sectional Technologies 370 Expired
US6995510B2 Light-emitting unit and method for producing same as well as lead frame used for producing light-emitting unit Electricity 270 Expired
US4698730A Light-emitting diode Emerging Cross-Sectional Technologies 255 Expired
US5164715A Color display device Physics 187 Expired
US5107175A Moisture trapping film for EL lamps of the organic dispersion type Emerging Cross-Sectional Technologies 187 Expired
US5247374A Liquid crystal display device with common heater between two cells Physics 180 Expired
US5103382A Auxiliary stop lamps Emerging Cross-Sectional Technologies 176 Expired
US4868719A Rear combination lamp assembly for vehicles Emerging Cross-Sectional Technologies 154 Expired
US5093768A Signal lamp composed of light emitting diodes for vehicle Emerging Cross-Sectional Technologies 144 Expired
US8851694B2 Semiconductor light source apparatus Mechanical Engineering; Lighting; Heating 132 Active
US5757455A Hybrid alignment type liquid crystal display Physics 110 Expired
US7290906B2 Vehicle lamp and method of use Emerging Cross-Sectional Technologies 104 Expired
US6809342B2 Light-emitting device and manufacturing method thereof Electricity 102 Expired
US5179367A Suspended display apparatus Emerging Cross-Sectional Technologies 101 Expired
US4659182A Multilayered matrix liquid crystal display apparatus with particular color filter placement Physics 100 Expired
US6774401B2 Light emitting diode Electricity 99 Expired
US7064776B2 Object tracking apparatus, object tracking method and recording medium Physics 94 Expired
US6296376A Led lamp having a prismatically-cut modifier Mechanical Engineering; Lighting; Heating 89 Expired
US7292741B2 Multi-input optical switch Physics 87 Active
US5039185A Homeotropic liquid crystal display device Physics 80 Expired
US5298199A Optical birefringence compensator adapted for LCD Emerging Cross-Sectional Technologies 77 Expired
US5576862A Positive orientations of liquid crystal molecules in a multi-domain liquid crystal display cell Physics 75 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.