Inventor · Beaverton, OR, US

David Johnston

42Patents
6h-index
55Co-inventors
72Inventor score

Filing activity: Dec 2, 2003 → Jan 3, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7901377B1 Injection device Human Necessities 165 Active
US8277414B2 Injection device Human Necessities 63 Active
US8489660B2 Digital random number generator using partially entropic data Electricity 17 Active
US7623443B2 Time spread multicarrier burst maps Electricity 11 Active
US9420437B2 Mobile device communication system Electricity 10 Active
US8928347B2 Integrated circuits having accessible and inaccessible physically unclonable functions Electricity 7 Active
US9675758B2 Injection device Human Necessities 6 Active
US7684342B2 Media independent trigger model for multiple network types Electricity 6 Active
US9544139B2 Method and apparatus for a non-deterministic random bit generator (NRBG) Electricity 5 Active
US10455376B2 Mobile device communication system Electricity 4 Active
US9390291B2 Secure key derivation and cryptography logic for integrated circuits Electricity 4 Active
US11321459B2 Method, system and apparatus for error correction coding embedded in physically unclonable function arrays Electricity 3 Active
US9770558B2 Auto-injection device with needle protecting cap having outer and inner sleeves Human Necessities 3 Active
US9467430B2 Device, method, and system for secure trust anchor provisioning and protection using tamper-resistant hardware Electricity 3 Active
US8954735B2 Device, method, and system for secure trust anchor provisioning and protection using tamper-resistant hardware Electricity 2 Active
US7751440B2 Reconfigurable frame parser Electricity 2 Active
US7389113B2 Roaming apparatus, systems, and methods with a plurality of receivers coupled to a first frequency reference to communicate with a first station and selectively coupling one receiver to a second frequency reference to communicate with a second station Electricity 2 Expired
US9992031B2 Dark bits to reduce physically unclonable function error rates Electricity 2 Active
US9928036B2 Random number generator Physics 2 Active
US10093251B2 Power management for vehicle-mounted base station Emerging Cross-Sectional Technologies 2 Active
US10204532B2 Multiple input cryptographic engine Electricity 2 Active
US9930009B2 Systems and methods to enable network coordinated MAC randomization for wi-fi privacy Electricity 1 Active
US10079678B2 Providing access to encrypted data Physics 1 Active
US11825563B2 Hybrid base station and RRH Electricity 1 Active
US11720672B2 Method, system and apparatus for error correction coding embedded in physically unclonable function arrays Electricity 1 Active

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