Inventor · Austin, TX, US

Randy Johnson

29Patents
10h-index
18Co-inventors
72Inventor score

Filing activity: Jun 7, 1991 → May 25, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US5123850A Non-destructive burn-in test socket for integrated circuit die Physics 248 Expired
US9366861B1 Laser particle projection system Physics 40 Active
US6288643A Graffiti detection system and method of using the same Physics 38 Expired
US8057045B2 Star field projection apparatus Physics 37 Active
US6600417B2 Graffiti detection system and method of using the same Physics 32 Expired
US6281787A Vehicle tire leak detection system and method of using the same Physics 30 Expired
US7641345B2 Star field projection apparatus Physics 30 Active
US6281792A Firearm shot detection system and method of using the same Physics 30 Expired
US8100537B2 Laser lighting apparatus with heatsink housing Physics 29 Active
US7064664B2 Graffiti detection system and method of using the same Physics 15 Expired
US8127395B2 Apparatus for isolated bevel edge clean and method for using the same Emerging Cross-Sectional Technologies 4 Active
US10436428B2 Systems and methods for lighting fixtures Emerging Cross-Sectional Technologies 4 Active
US8096137B2 Systems and methods for guiding and supporting an evaporator structure Mechanical Engineering; Lighting; Heating 3 Active
US10208920B2 Systems and methods for lighting fixtures Emerging Cross-Sectional Technologies 2 Active
US11408573B1 Optical projection device Physics 2 Active
US10605444B2 Systems and methods for lighting fixtures Emerging Cross-Sectional Technologies 1 Active
USRE46384E1 Laser lighting apparatus with heatsink housing General 1 Active
US10145515B2 Lighting device for accent lighting and method Physics 1 Active
USD1064384S1 Projection system General 1 Active
US10215389B2 Systems and methods for a smart module directly embedded on a lighting fixture Emerging Cross-Sectional Technologies 1 Active
US10743379B2 Systems and methods for lighting controls and sensors Emerging Cross-Sectional Technologies 0 Active
US11408567B2 Laser housing and dual light source lighting device with laser Electricity 0 Active
US11320126B2 Systems and methods for a smart module directly embedded on a lighting fixture Emerging Cross-Sectional Technologies 0 Active
US10495292B2 Systems and methods for a smart module directly embedded on a lighting fixture Emerging Cross-Sectional Technologies 0 Active
US10816180B2 Systems and methods for lighting fixtures Emerging Cross-Sectional Technologies 0 Active

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