Inventor · Acton, MA, US

Radia J. Perlman

157Patents
46h-index
80Co-inventors
93Inventor score

Filing activity: Sep 27, 1988 → Mar 7, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US5251205A Multiple protocol routing Electricity 374 Expired
US5309437A Bridge-like internet protocol router Electricity 346 Expired
US5856974A Internetwork address mapping gateway Electricity 281 Expired
US9189642B2 Safe processing of on-demand delete requests Physics 261 Active
US4864559A Method of multicast message distribution Electricity 210 Expired
US5781534A Method and apparatus for determining characteristics of a path Electricity 209 Expired
US6389532B1 Method and apparatus for using digital signatures to filter packets in a network Electricity 208 Expired
US5261002A Method of issuance and revocation of certificates of authenticity used in public key networks and other systems Electricity 171 Expired
US5455865A Robust packet routing over a distributed network containing malicious failures Electricity 166 Expired
US7178021B1 Method and apparatus for using non-secure file servers for secure information storage Physics 163 Expired
US6505253B1 Multiple ACK windows providing congestion control in reliable multicast protocol Electricity 156 Expired
US5500860A Router using multiple hop redirect messages to enable bridge like data forwarding Electricity 149 Expired
US7054905B1 Replacing an email attachment with an address specifying where the attachment is stored Electricity 147 Expired
US6173400A Methods and systems for establishing a shared secret using an authentication token Physics 146 Expired
US5511168A Virtual circuit manager for multicast messaging Electricity 143 Expired
US5420862A Router using remote address resolution to enable bridge like data forwarding Electricity 128 Expired
US6510523B1 Method and system for providing limited access privileges with an untrusted terminal Electricity 126 Expired
US5687235A Certificate revocation performance optimization Electricity 122 Expired
US5079767A Method of multicast message distribution Electricity 111 Expired
US6363480B1 Ephemeral decryptability Electricity 104 Expired
US6507562B1 DYNAMIC OPTIMIZATION FOR RECEIVERS USING DISTANCE BETWEEN A REPAIR HEAD AND A MEMBER STATION IN A REPAIR GROUP FOR RECEIVERS HAVING A CLOSELY KNIT TOPOLOGICAL ARRANGEMENT TO LOCATE REPAIR HEADS NEAR THE MEMBER STATIONS WHICH THEY SERVE IN TREE BASED REPAIR IN RELIABLE MULTICAST PROTOCOL Electricity 103 Expired
US6230266A Authentication system and process Electricity 100 Expired
US6526022B1 Detecting congestion by comparing successive loss of packets in windows to provide congestion control in reliable multicast protocol Electricity 98 Expired
US5150360A Utilization of redundant links in bridged networks Electricity 97 Expired
US5243592A Method and apparatus for distance vector routing on datagram point-to-point links Electricity 87 Expired

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