Inventor · disambiguated record
Fumio Urayama
Also filed as: URAYAMA FUMIO
2 granted patents·1 pending application·1 citations·filing 2006–2007
29Inventor score
Top patents by PatentIndex Score
3 records- 0156US7577135B2IP telephone systemHITACHI COMM TECH LTD·Filed 2006·Granted Aug 18, 2009·1 cites·9 claims
- 0243US7796741B2Call connection control unit and call connection control methodHITACHI LTD·Filed 2006·Granted Sep 14, 2010·0 cites·7 claims
- 0329US2008123546A1Ip telephoneHITACHI COMM TECH LTD·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →