Inventor · disambiguated record

Taro Itoh

Also filed as: ITOH TARO

2 granted patents·8 citations·filing 2000–2002

55Inventor score

Technology areasF05C F16J

Files withNIPPON PISTON RING CO LTD2

Top patents by PatentIndex Score

2 records

0149US6547251B1Ring groove for oil ring with coil expander of pistonNIPPON PISTON RING CO LTD·Filed 2000·Granted Apr 15, 2003·4 cites·12 claims
0247US6682078B2Ring groove for oil ring with coil expander of pistonNIPPON PISTON RING CO LTD·Filed 2002·Granted Jan 27, 2004·4 cites·12 claims

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