Inventor · disambiguated record
Etsuko Iwama
Also filed as: IWAMA ETSUKO
2 granted patents·1 pending application·211 citations·filing 1999–2003
70Inventor score
Technology areasH04L
Files withHITACHI LTD2
Top patents by PatentIndex Score
3 records- 0185US6600735B1Internet telephone connection method, bandwidth controller and gate keeperHITACHI LTD·Filed 1999·Granted Jul 29, 2003·176 cites·1 claims
- 0279US7272134B2Internet telephone connection method, bandwidth controller and gate keeperHITACHI LTD·Filed 2003·Granted Sep 18, 2007·35 cites·11 claims
- 0324US2002120872A1Internet roaming methodFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →