Inventor · San Francisco, CA, US

Mark E. Risher

11Patents
4h-index
21Co-inventors
52Inventor score

Filing activity: Feb 20, 2008 → Jan 16, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US8381262B2 Blocking of spoofed E-mail Electricity 8 Active
US7950047B2 Reporting on spoofed e-mail Electricity 7 Active
US8463827B2 Mining global email folders for identifying auto-folder tags Physics 5 Active
US8364766B2 Spam filtering based on statistics and token frequency modeling Physics 5 Active
US8892661B2 Detecting spam from a bulk registered e-mail account Electricity 2 Active
US9369483B2 Detection and prevention of unwanted content on cloud-hosted services Physics 1 Active
US8868663B2 Detection of outbound sending of spam Electricity 1 Active
US9043398B2 Detection and prevention of unwanted content on cloud-hosted services Physics 1 Active
US8826450B2 Detecting bulk fraudulent registration of email accounts Electricity 1 Active
US8949174B2 Detection and prevention of unwanted content on cloud-hosted services Physics 0 Active
US9225741B1 Detection and prevention of unwanted content on cloud-hosted services Physics 0 Active

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