Inventor · disambiguated record
Masao Ishida
Also filed as: ISHIDA MASAO
18 granted patents·4 pending applications·242 citations·filing 1978–2016
94Inventor score
Top patents by PatentIndex Score
22 records- 0182US5316321ANonferrous piston ring with hard surface treatment layerTEIKOKU PISTON RING CO LTD·Filed 1992·Granted May 31, 1994·56 cites·11 claims
- 0279US6261388B1Cold forging steel having improved resistance to grain coarsening and delayed fracture and process for producing sameNIPPON STEEL CORP·Filed 1999·Granted Jul 17, 2001·22 cites·4 claims
- 0373US5310827APolyamide copolymersKURARAY CO·Filed 1991·Granted May 10, 1994·20 cites·8 claims
- 0472US6312159B1Bearing metal positioning structure in a split connecting rodHONDA MOTOR CO LTD·Filed 1999·Granted Nov 6, 2001·27 cites·14 claims
- 0570US7574795B2Method of manufacturing connecting rodHONDA MOTOR CO LTD·Filed 2006·Granted Aug 18, 2009·7 cites·20 claims
- 0669US7963212B2Combination of a piston and a piston ringTEIKOKU PISTON RING CO LTD·Filed 2008·Granted Jun 21, 2011·3 cites·20 claims
- 0768US6454271B2Combined oil ringTEIKOKU PISTON RING CO LTD·Filed 2000·Granted Sep 24, 2002·13 cites·9 claims
- 0865US8365696B2Piston device for internal combustion enginesTEIKOKU PISTON RING CO LTD·Filed 2009·Granted Feb 5, 2013·4 cites·6 claims
- 0964US7089902B2Sintered alloy valve seat and method for manufacturing the sameHONDA MOTOR CO LTD·Filed 2004·Granted Aug 15, 2006·11 cites·7 claims
- 1063US5241748AMethod for manufacturing a compression ringTEIKOKU PISTON RING CO LTD·Filed 1992·Granted Sep 7, 1993·23 cites·10 claims
- 1157US10808301B2Magnesium alloy and method of manufacturing sameHONDA MOTOR CO LTD·Filed 2016·Granted Oct 20, 2020·0 cites·13 claims
- 1257US5469616AMethod of manufacturing a side rail of a combined oil ringTEIKOKU PISTON RING CO LTD·Filed 1994·Granted Nov 28, 1995·20 cites·2 claims
- 1352US4816544APolyamideimide elastomer and production thereofKURARAY CO·Filed 1988·Granted Mar 28, 1989·8 cites·34 claims
- 1441US5093437APolyamide copolymersKURARAY CO·Filed 1990·Granted Mar 3, 1992·4 cites·16 claims
- 1541US2009020082A1Hollow valve for internal combustion engine, and internal combustion engine having the hollow valveSUZUKI TAKAO·Filed 2008·Application pending·0 cites
- 1639US5651553AAntirotation structure for combined oil ringTEIKOKU PISTON RING CO LTD·Filed 1996·Granted Jul 29, 1997·10 cites·8 claims
- 1739US5308089ACombined oil ringTEIKOKU PISTON RING CO LTD·Filed 1992·Granted May 3, 1994·9 cites·4 claims
- 1839US2004131494A1Microalloyed steel easy to separate by fracture splitting at low temperature and fitting member produced through separation by fracture splitting at low temperatureFiled 2003·Application pending·0 cites
- 1938US2013139767A1Cooling system for piston of internal combustion engineKOYAMA TAKASHI·Filed 2011·Application pending·0 cites
- 2036US7462576B2Automobile exhaust gas purifying combustion catalystsHONDA MOTOR CO LTD·Filed 2004·Granted Dec 9, 2008·0 cites·8 claims
- 2133US4368170AMethod of operating nuclear reactorsHITACHI LTD·Filed 1978·Granted Jan 11, 1983·5 cites·6 claims
- 2229US2002033579A1Piston ringTEIKOKU PISTON RING CO LTD·Filed 1999·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →