Inventor · disambiguated record

Keiichiro Yamakawa

Also filed as: YAMAKAWA KEIICHIRO

2 granted patents·7 citations·filing 2006–2012

45Inventor score

Technology areasH04L H04W

Files withFUJITSU LTD1 HASESAKA KIYOMI1

Top patents by PatentIndex Score

2 records

0171US7890101B2Call controlling apparatus, call controlling method, and computer programFUJITSU LTD·Filed 2006·Granted Feb 15, 2011·7 cites·10 claims
0235US8942619B2Relay deviceHASESAKA KIYOMI·Filed 2012·Granted Jan 27, 2015·0 cites·7 claims

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →