Inventor · Fujisawa, JP

Hidehiro Fukushima

10Patents
7h-index
17Co-inventors
59Inventor score

Filing activity: Feb 16, 1996 → May 3, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US6049524A Multiplex router device comprising a function for controlling a traffic occurrence at the time of alteration process of a plurality of router calculation units Electricity 57 Expired
US6034964A Router device and network system using the same Electricity 54 Expired
US5777994A ATM switch and intermediate system Electricity 40 Expired
US6292489A Router device and network system using the same Electricity 37 Expired
US6490246B2 System and method for using active and standby routers wherein both routers have the same ID even before a failure occurs Electricity 26 Expired
US7443851B2 Device and system for multicast communication Electricity 9 Expired
US7606227B2 Method, apparatus and system for distributing multicast data Electricity 9 Active
US8817683B2 Network relay apparatus and inter-network relay method Electricity 3 Active
US7974282B2 Network apparatus for redundant multicast Emerging Cross-Sectional Technologies 2 Active
US9253080B2 Relay device, network system and computer program product Electricity 0 Active

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