Inventor · San Marino, CA, US

David Johnson

23Patents
6h-index
28Co-inventors
69Inventor score

Filing activity: Jul 12, 1999 → Dec 18, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US8433409B2 Implantable medical device battery Emerging Cross-Sectional Technologies 205 Active
US6963857B1 Network-accessible account system Physics 124 Expired
US9792742B2 Decentralized virtual trustless ledger for access control Electricity 11 Active
US10008057B2 Short-range device communications for secured resource access Physics 9 Active
US8290971B2 Method and apparatus for remotely displaying a list by determining a quantity of data to send based on the list size and the display control size Physics 7 Active
US9261452B2 Flow cytometer Physics 7 Active
US9898881B2 Short-range device communications for secured resource access Electricity 5 Active
US10424140B2 Decentralized virtual trustless database for access control Electricity 3 Active
US9044943B2 Inkjet printhead incorporating oleophobic membrane Emerging Cross-Sectional Technologies 3 Active
US9314948B2 Systems and methods for employing magnetic assistance in precision wire placement when producing overmolded products Performing Operations; Transporting 1 Active
US10854029B2 Decentralized virtual trustless database for access control Electricity 1 Active
US11921891B2 Method for restricting access to a data owner's data Physics 1 Active
US9016841B2 Methods and devices for venting air from ink jet printer subassemblies using oleophobic membranes Emerging Cross-Sectional Technologies 1 Active
US8295930B2 Medical device having resistance welded connections Emerging Cross-Sectional Technologies 0 Active
US8732184B2 Method and apparatus for remotely displaying a list by determining a quantity of data to send based on the list size and the display control size Physics 0 Active
US10324020B2 Fluidic optical cartridge Physics 0 Active
US12159501B2 Decentralized virtual trustless database for access control Electricity 0 Active
US10650625B2 Short-range device communications for secured resource access Physics 0 Active
US11397903B2 Short-range device communications for secured resource access Physics 0 Active
US8365302B2 Apparatus, systems and methods for authenticating widget access and widgets Electricity 0 Active
US11495073B2 Decentralized virtual trustless database for access control Electricity 0 Active
US11847590B2 Short-range device communications for secured resource access Physics 0 Active
US12182739B2 Short-range device communications for secured resource access Physics 0 Active

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