Inventor · disambiguated record
Hiroshi Oshige
Also filed as: OSHIGE HIROSHI
11 granted patents·2 pending applications·164 citations·filing 1997–2019
89Inventor score
Top patents by PatentIndex Score
13 records- 0193US8733313B2Iron-based sintered alloy for valve seat, and valve seat for internal combustion engineSATO KENICHI·Filed 2009·Granted May 27, 2014·35 cites·6 claims
- 0292US10605374B2Valve seat insert excellent in wear resistance made of iron-base sintered alloy for internal combustion engines, and assembly of valve seat insert and valveNIPPON PISTON RING CO LTD·Filed 2017·Granted Mar 31, 2020·31 cites·11 claims
- 0392US6318327B1Valve system for internal combustion engineNIPPON PISTON RING CO LTD·Filed 2000·Granted Nov 20, 2001·44 cites·18 claims
- 0485US10273838B2Valve seat insert for internal combustion engine having excellent wear resistanceNIPPON PISTON RING CO LTD·Filed 2016·Granted Apr 30, 2019·2 cites·14 claims
- 0583US10287933B2Assembly of internal combustion engine valve and valve seatNIPPON PISTON RING CO LTD·Filed 2014·Granted May 14, 2019·5 cites·8 claims
- 0682US5895517ASintered Fe alloy for valve seatNIPPON PISTON RING CO LTD·Filed 1997·Granted Apr 20, 1999·35 cites·8 claims
- 0781US9803268B2Iron-base sintered alloy material for valve seat insert and method for manufacturing the sameNIPPON PISTON RING CO LTD·Filed 2015·Granted Oct 31, 2017·2 cites·18 claims
- 0878US10428700B2Highly wear-resistant valve seat for use in internal combustion engineNIPPON PISTON RING CO LTD·Filed 2014·Granted Oct 1, 2019·3 cites·5 claims
- 0955US11549408B2Iron-based sintered alloy valve seat for internal combustion engineNIPPON PISTON RING CO LTD·Filed 2019·Granted Jan 10, 2023·0 cites·10 claims
- 1050US2008170030A1Image processing apparatusSEIKO EPSON CORP·Filed 2008·Application pending·0 cites
- 1145US2020284173A1Sintered ferrous alloy valve seat exhibiting excellent thermal conductivity for use in internal combustion engineNIPPON PISTON RING CO LTD·Filed 2018·Application pending·0 cites
- 1240US5975039AProcess for manufacturing valve seat made of sintered FE alloy and valve seat made of sintered FE alloyNIPPON PISTON RING CO LTD·Filed 1997·Granted Nov 2, 1999·7 cites·1 claims
- 1332US8733875B2Liquid discharge apparatus and liquid discharge methodOSHIGE HIROSHI·Filed 2011·Granted May 27, 2014·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →