Inventor · Los Altos Hills, CA, US

Jerome Drexler

84Patents
31h-index
11Co-inventors
85Inventor score

Filing activity: Oct 25, 1977 → Nov 13, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US5457747A Anti-fraud verification system using a data card Electricity 216 Expired
US4312938A Method for making a broadband reflective laser recording and data storage medium with absorptive underlayer Emerging Cross-Sectional Technologies 198 Expired
US4692394A Method of forming a personal information card Emerging Cross-Sectional Technologies 167 Expired
US5412727A Anti-fraud voter registration and voting system using a data card Electricity 130 Expired
US5559885A Two stage read-write method for transaction cards Electricity 122 Expired
US4711996A Redundant optical recording of information in different formats Emerging Cross-Sectional Technologies 115 Expired
US5241165A Erasable optical wallet-size data card Physics 114 Expired
US4609812A Prerecorded dual strip data storage card Physics 98 Expired
US4810868A Frasable optical wallet-size data card Physics 84 Expired
US6199761A Validation method for electronic cash cards and digital identity cards utilizing optical data storage Physics 81 Expired
US4542288A Method for making a laser recordable wallet-size plastic card Emerging Cross-Sectional Technologies 79 Expired
US4917292A Book on a pocket card Emerging Cross-Sectional Technologies 65 Expired
US4544835A Data system containing a high capacity optical contrast laser recordable wallet-size plastic card Emerging Cross-Sectional Technologies 62 Expired
US4278756A Reflective data storage medium made by silver diffusion transfer Emerging Cross-Sectional Technologies 61 Expired
US4360728A Banking card for automatic teller machines and the like Emerging Cross-Sectional Technologies 60 Expired
US4910725A Optical recording method for data cards Physics 59 Expired
US4683371A Dual stripe optical data card Physics 59 Expired
US4863819A Read-only optical data card Emerging Cross-Sectional Technologies 56 Expired
US4814594A Updatable micrographic pocket data card Emerging Cross-Sectional Technologies 51 Expired
US4145758A Error checking method and apparatus for digital data in optical recording systems Physics 49 Expired
US4269917A Data storage medium having reflective particulate silver layer Emerging Cross-Sectional Technologies 48 Expired
US4745268A Personal information card system Performing Operations; Transporting 42 Expired
US4711347A Protective envelope for optical data card Human Necessities 41 Expired
US4500777A High data capacity, scratch and dust resistant, infrared, read-write data card for automatic teller machines Emerging Cross-Sectional Technologies 38 Expired
US4385372A Reflective optical data storage and laser recording media having grooved dielectric encoded prerecorded information Physics 34 Expired

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