Inventor · disambiguated record
Hideshi Hitosugi
Also filed as: HITOSUGI HIDESHI
8 granted patents·2 pending applications·45 citations·filing 2000–2016
84Inventor score
Top patents by PatentIndex Score
10 records- 0186US9528606B2Combined oil ringNIPPON PISTON RING CO LTD·Filed 2013·Granted Dec 27, 2016·6 cites·3 claims
- 0277US8240676B2Piston ringKARIYA TOMOTAKA·Filed 2007·Granted Aug 14, 2012·4 cites·18 claims
- 0377US7354045B2Oil ringTOYOTA MOTOR CO LTD·Filed 2003·Granted Apr 8, 2008·22 cites·8 claims
- 0471US10724636B2Combined oil ringNIPPON PISTON RING CO LTD·Filed 2015·Granted Jul 28, 2020·2 cites·10 claims
- 0549US6547251B1Ring groove for oil ring with coil expander of pistonNIPPON PISTON RING CO LTD·Filed 2000·Granted Apr 15, 2003·4 cites·12 claims
- 0647US6726218B2Compression piston ring for use in internal combustion engineNIPPON PISTON RING CO LTD·Filed 2001·Granted Apr 27, 2004·3 cites·6 claims
- 0747US6682078B2Ring groove for oil ring with coil expander of pistonNIPPON PISTON RING CO LTD·Filed 2002·Granted Jan 27, 2004·4 cites·12 claims
- 0847US2007261658A1Piston For Internal-Combustion Engine And Combination Of Piston And Piston Ring For Internal-Combustion EngineNIPPON PISTON RING CO LTD·Filed 2005·Application pending·0 cites
- 0934US2012061920A1Oil ring mechanism of a pistonNISHIURA HIROYUKI·Filed 2010·Application pending·0 cites
- 1031US10520085B2Combined oil ringNIPPON PISTON RING CO LTD·Filed 2016·Granted Dec 31, 2019·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →