Inventor · disambiguated record
Tomotaka Kariya
Also filed as: KARIYA TOMOTAKA
4 granted patents·32 citations·filing 2007–2008
71Inventor score
Top patents by PatentIndex Score
4 records- 0189US7854191B2Three-piece oil ring and combination of the three-piece oil ring and pistonNIPPON PISTON RING CO LTD·Filed 2007·Granted Dec 21, 2010·24 cites·2 claims
- 0277US8240676B2Piston ringKARIYA TOMOTAKA·Filed 2007·Granted Aug 14, 2012·4 cites·18 claims
- 0364US8088496B2Piston ringKARIYA TOMOTAKA·Filed 2008·Granted Jan 3, 2012·4 cites·3 claims
- 0442US8181968B2Piston ringTAMEGAI ETUO·Filed 2008·Granted May 22, 2012·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →