Inventor · Vernon Hills, IL, US

Mark Shahaf

23Patents
7h-index
37Co-inventors
69Inventor score

Filing activity: Sep 29, 1997 → Sep 2, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US9167381B2 Geo-fence based alerts Electricity 44 Active
US8634799B1 Dynamically re-configured incident scene communication based on incident scene factors Electricity 19 Active
US7102570B2 Mobile communications stations methods and systems Physics 16 Expired
US5960360A Communication method Electricity 13 Expired
US6490645B1 Optimized random access scheme for a shared response Electricity 12 Expired
US9042361B2 Method and apparatus for mitigating interference between devices of different wireless wide area networks Electricity 12 Active
US7707287B2 Virtual host acceleration system Electricity 8 Expired
US9065645B2 Method and apparatus for providing acknowledgement information to radio communication devices in a wireless communication system Electricity 6 Active
US6420986B1 Digital speech processing system Electricity 5 Expired
US6621877B1 Method to train a radio receiver Electricity 5 Expired
US9743288B2 Method and apparatus for mitigating transmission interference between narrowband and broadband mobile devices Electricity 4 Active
US8526947B1 Method and apparatus for enabling efficient battery use on a dual mode communication device Emerging Cross-Sectional Technologies 3 Active
US8929938B2 Using a push to talk over cellular infrastructure for radio communications Electricity 3 Active
US9232376B2 Concurrent voice and data service on a same digital radio channel Electricity 2 Active
US7099460B1 Echo suppression and echo cancellation Electricity 2 Expired
US9585121B2 Method and apparatus for simulcasting within a communication system Electricity 1 Active
US7212841B2 Telephone apparatus and a communication method using such apparatus Electricity 1 Expired
US9661144B2 Method and apparatus for priority summing of group auditory data Electricity 1 Active
US11139989B2 Method of enrolling a device into a PKI domain for certificate management using factory key provisioning Electricity 1 Active
US9654643B2 Method and apparatus for unidirectional summing of group auditory data Electricity 0 Active
US11368887B2 Method for prioritizing push-to-talk service in a roamed network Electricity 0 Active
US8660542B2 Method and apparatus for allocating frequencies among multiple talkgroups Electricity 0 Active
US11770246B2 Securely transferring key materials between processors in a multi-processor device Physics 0 Active

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