Inventor · disambiguated record
Kenji Kasuga
Also filed as: KASUGA KENJI
7 granted patents·226 citations·filing 2003–2011
85Inventor score
Top patents by PatentIndex Score
7 records- 0197US7716293B2Presence information sharing method and systemHITACHI LTD·Filed 2005·Granted May 11, 2010·161 cites·6 claims
- 0285US7720952B2Presence information management system and presence information management serverHITACHI LTD·Filed 2006·Granted May 18, 2010·15 cites·66 claims
- 0382US7571207B2Push-type information delivery method, push-type information delivery system, information delivery apparatus and channel search apparatus based on presence serviceHITACHI LTD·Filed 2004·Granted Aug 4, 2009·39 cites·10 claims
- 0475US7668911B2Presence server, session control server, and packet relay systemHITACHI LTD·Filed 2005·Granted Feb 23, 2010·7 cites·6 claims
- 0554US8086717B2Presence information management system and presence information management serverMIYATA TATSUHIKO·Filed 2010·Granted Dec 27, 2011·1 cites·8 claims
- 0651US8732316B2Communication systemKASUGA KENJI·Filed 2011·Granted May 20, 2014·1 cites·17 claims
- 0735US6858949B2Semiconductor memory device and method for arranging memory cellsFUJITSU LTD·Filed 2003·Granted Feb 22, 2005·2 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →