Inventor · Shakopee, MN, US

Patrick Smith

46Patents
11h-index
49Co-inventors
75Inventor score

Filing activity: Jun 25, 1987 → May 19, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US9829614B2 Optical sensor using collimator Physics 56 Active
US10268884B2 Optical fingerprint sensor under a display Physics 42 Active
US9158958B2 Signal strength enhancement in a biometric sensor array Electricity 34 Active
US10181070B2 Low profile illumination in an optical fingerprint sensor Physics 28 Active
US8919068B2 Devices, systems, and methods for exterior flooring Fixed Constructions 19 Active
US9934418B2 Display integrated optical fingerprint sensor with angle limiting reflector Physics 15 Active
US10042467B2 Integrated capacitive fingerprint sensor Physics 15 Active
US7793483B2 Ventilated floor moldings Fixed Constructions 14 Active
US9946375B2 Active matrix capacitive fingerprint sensor with 2-TFT pixel architecture for display integration Physics 13 Active
US5266793A Fail-safe photoamplifier circuit with a safety light curtain system Electricity 13 Expired
US10147757B2 Image sensor structures for fingerprint sensing Electricity 12 Active
US10102411B2 Hybrid optical and capacitive sensor Physics 11 Active
US10176355B2 Optical sensor for integration in a display Physics 8 Active
US8122665B2 Break-away multi-purpose flooring transition Fixed Constructions 8 Active
US7132657B2 Infrared gas detector Physics 7 Expired
US9880688B2 Active matrix capacitive sensor for common-mode cancellation Physics 5 Active
US10303919B2 Display integrated optical fingerprint sensor with angle limiting reflector Physics 4 Active
US6414310B1 Automatic control circuit for infrared detectors Physics 4 Expired
US9958993B2 Active matrix capacitive fingerprint sensor with 1-TFT pixel architecture for display integration Physics 4 Active
US10664676B2 Systems and methods for reducing unwanted reflections in display systems incorporating an under display biometric sensor Physics 4 Active
US8097146B2 Device and method for monitoring an electrochemical gas sensor Physics 3 Active
US10049254B2 Signal strength enhancement in a biometric sensor array Electricity 3 Active
US8591696B2 Method for manufacturing a surface element Emerging Cross-Sectional Technologies 3 Active
US10705272B2 Optical fingerprint sensor Physics 3 Active
US10169630B2 Optical sensor for integration over a display backplane Physics 2 Active

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