Inventor · disambiguated record
Tsugane Hirase
Also filed as: HIRASE TSUGANE
2 granted patents·1 pending application·14 citations·filing 2007–2014
53Inventor score
Files withNIPPON PISTON RING CO LTD3
Top patents by PatentIndex Score
3 records- 0184US7493882B2Combination of a cylinder liner and a piston ringNIPPON PISTON RING CO LTD·Filed 2007·Granted Feb 24, 2009·13 cites·4 claims
- 0254US10344860B2Highly heat conductive piston ring for internal combustion engineNIPPON PISTON RING CO LTD·Filed 2014·Granted Jul 9, 2019·1 cites·4 claims
- 0353US2010319647A1Combination structure of piston ring and cylinder liner for internal combustion engineNIPPON PISTON RING CO LTD·Filed 2008·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →