Inventor · disambiguated record
Osamu Tsurumi
Also filed as: TSURUMI OSAMU
3 granted patents·2 pending applications·68 citations·filing 2002–2009
69Inventor score
Files withFUJITSU LTD5
Top patents by PatentIndex Score
5 records- 0191US7636299B2Packet repeaterFUJITSU LTD·Filed 2005·Granted Dec 22, 2009·46 cites·7 claims
- 0270US7440397B2Protection that automatic and speedily restore of Ethernet ring networkFUJITSU LTD·Filed 2004·Granted Oct 21, 2008·22 cites·11 claims
- 0342US2009245797A1Communication system and apparatusFUJITSU LTD·Filed 2009·Application pending·0 cites
- 0439US7304946B2Packet multiplexing control method and a concentrator using the sameFUJITSU LTD·Filed 2002·Granted Dec 4, 2007·0 cites·8 claims
- 0537US2007291763A1Ethernet® communication system relaying control signalsFUJITSU LTD·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →