Inventor · disambiguated record
Takafumi Sera
Also filed as: SERA TAKAFUMI
6 granted patents·235 citations·filing 1998–2006
84Inventor score
Files withNEC CORP6
Top patents by PatentIndex Score
6 records- 0184US6415313B1Communication quality control systemNEC CORP·Filed 1999·Granted Jul 2, 2002·161 cites·33 claims
- 0262US6507873B1Network address assigning systemNEC CORP·Filed 1999·Granted Jan 14, 2003·50 cites·9 claims
- 0360US6829219B1Routing processing method in packet transmission and system thereforNEC CORP·Filed 2000·Granted Dec 7, 2004·7 cites·19 claims
- 0459US6879589B2Data packet transfer network and data packet transfer methodNEC CORP·Filed 2000·Granted Apr 12, 2005·7 cites·6 claims
- 0551US7890515B2Article distribution system and article distribution method used in this systemNEC CORP·Filed 2006·Granted Feb 15, 2011·0 cites·14 claims
- 0640US6498834B1Speech information communication systemNEC CORP·Filed 1998·Granted Dec 24, 2002·10 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →