Inventor · Redwood City, CA, US

David C. Sobotka

21Patents
11h-index
37Co-inventors
75Inventor score

Filing activity: May 1, 1989 → Oct 13, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US6369840B1 Multi-layered online calendaring and purchasing Emerging Cross-Sectional Technologies 461 Expired
US5197004A Method and apparatus for automatic categorization of applicants from resumes Emerging Cross-Sectional Technologies 101 Expired
US7809605B2 Altering keyword-based requests for content Physics 72 Active
US7174517B2 Multi-layered online calendaring and purchasing Emerging Cross-Sectional Technologies 61 Expired
US7334000B2 Method and apparatus for calendaring reminders Emerging Cross-Sectional Technologies 60 Expired
US5164899A Method and apparatus for computer understanding and manipulation of minimally formatted text documents Physics 58 Expired
US8082511B2 Active and passive personalization techniques Electricity 32 Active
US7593928B2 Dynamically altering search result page layout to increase user response Emerging Cross-Sectional Technologies 22 Active
US8108436B2 Method and apparatus for calendaring reminders Emerging Cross-Sectional Technologies 18 Active
US8612876B2 Multi-layered online calendaring and purchasing Emerging Cross-Sectional Technologies 17 Active
US8117069B2 Generating keyword-based requests for content Physics 13 Active
US7813959B2 Altering keyword-based requests for content Physics 11 Active
US8087019B1 Systems and methods for performing machine-implemented tasks Physics 9 Active
US9159082B2 Active and passive personalization techniques Electricity 7 Active
US8489738B2 Matching engine for comparing data feeds with user profile criteria Physics 5 Active
US8122087B2 Matching engine for comparing data feeds with user profile criteria Physics 3 Active
US9407707B2 Method and apparatus for demographic-based reminders Emerging Cross-Sectional Technologies 0 Active
US8997100B2 Systems and method for performing machine-implemented tasks of sending substitute keyword to advertisement supplier Physics 0 Active
US9384474B2 Multi-layered online calendaring and purchasing Emerging Cross-Sectional Technologies 0 Active
US8713174B2 Matching engine for comparing data feeds with user profile criteria Physics 0 Active
US9697288B2 Active and passive personalization techniques Electricity 0 Active

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