Inventor · Los Altos, CA, US

Mark Klein

28Patents
13h-index
31Co-inventors
81Inventor score

Filing activity: May 19, 1994 → Jul 20, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US7623823B2 Detecting and measuring exposure to media content items Physics 296 Active
US6751299B1 Voice messaging system Electricity 134 Expired
US7298833B2 Wireless device to manage cross-network telecommunication services Electricity 116 Expired
US7224774B1 Real-time call control system Electricity 78 Expired
US8358966B2 Detecting and measuring exposure to media content items Physics 70 Active
US6546095B1 Automated provisioning of telephone services Electricity 58 Expired
US7542558B2 Informing caller of callee activity mode Electricity 52 Expired
US6603838B1 Voice messaging system with selected messages not left by a caller Electricity 40 Expired
US8594298B2 Call management Electricity 38 Active
US6665379B1 Voice messaging system using information from incoming telephone call to respond to a call Electricity 17 Expired
US5491685A System and method of digital compression and decompression using scaled quantization of variable-sized packets Electricity 16 Expired
US11151820B1 Method and apparatus for personal pathogen status verification at point of entry into an area of congregation Physics 14 Active
US8905693B2 Hardware retention clip Emerging Cross-Sectional Technologies 14 Active
US8396456B2 Visual voicemail management Electricity 7 Active
US7996610B2 Transparent backup service for networked computers Physics 4 Active
US11196738B2 Identification and authentication of a user using identity-linked device information for facilitation of near-field events Physics 2 Active
US9441663B2 Method of using a retention clip to close hardware Emerging Cross-Sectional Technologies 1 Active
US11908258B2 Self reporting method and apparatus for personal pathogen status verification at point of entry into an area of congregation Physics 1 Active
US11335146B2 Method and apparatus for personal pathogen status verification at point of entry into an area of congregation Physics 0 Active
US11222344B2 Determining relative effectiveness of media content items Physics 0 Active
US12172631B2 Controlling an agricultural vehicle based on soil damage score/fill level Physics 0 Active
US10489795B2 Determining relative effectiveness of media content items Physics 0 Active
US11734698B2 System and method for tiered pricing for scarce commodities Emerging Cross-Sectional Technologies 0 Active
US11510054B2 Methods, apparatuses, and computer program products for performing identification and authentication by linking mobile device biometric confirmation with third-party mobile device account association Electricity 0 Active
US11461845B2 System and method for settling monetary and quota-allocated dual currency transactions Emerging Cross-Sectional Technologies 0 Active

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