Inventor · disambiguated record
Hiroyuki Ishiguro
Also filed as: ISHIGURO HIROYA · ISHIGURO HIROYUKI
26 granted patents·3 pending applications·656 citations·filing 1985–2022
97Inventor score
Top patents by PatentIndex Score
29 records- 0189US4733056AHeater backed with a ceramic substrateNGK SPARK PLUG CO·Filed 1986·Granted Mar 22, 1988·61 cites·5 claims
- 0287US5679978ASemiconductor device having resin gate hole through substrate for resin encapsulationFUJITSU LTD·Filed 1994·Granted Oct 21, 1997·96 cites·15 claims
- 0386US6111306ASemiconductor device and method of producing the same and semiconductor device unit and method of producing the sameFUJITSU LTD·Filed 1997·Granted Aug 29, 2000·83 cites·12 claims
- 0483US8530547B2Chloroprene rubber composition and its applicationABE YASUSHI·Filed 2008·Granted Sep 10, 2013·6 cites·15 claims
- 0581US5160598AOxygen sensor for air-fuel ratio control having a protective layer including an oxygen storage materialNGK SPARK PLUG CO·Filed 1990·Granted Nov 3, 1992·48 cites·38 claims
- 0680US5443711AOxygen-sensor elementNGK SPARK PLUG CO·Filed 1992·Granted Aug 22, 1995·50 cites·55 claims
- 0777US7400081B2Compact spark plug with high gas tightnessDENSO CORP·Filed 2005·Granted Jul 15, 2008·7 cites·8 claims
- 0877US5849165AOxygen sensor for preventing silicon poisoningNGK SPARK PLUG CO·Filed 1995·Granted Dec 15, 1998·48 cites·17 claims
- 0976US5110442AReinforced electrolyte function elementsNGK SPARK PLUG CO·Filed 1989·Granted May 5, 1992·27 cites·14 claims
- 1073US5844309AAdhesive composition, semiconductor device using the composition and method for producing a semiconductor device using the compositionFUJITSU LTD·Filed 1996·Granted Dec 1, 1998·46 cites·14 claims
- 1171US11390729B2Rubber composition, vulcanized rubber, and molded article of said vulcanized rubberDENKA COMPANY LTD·Filed 2019·Granted Jul 19, 2022·0 cites·5 claims
- 1269US5326597AMethod of producing oxygen sensor for air-fuel ratio control having a protective layer including oxygen storage materialNGK SPARK PLUG CO·Filed 1992·Granted Jul 5, 1994·28 cites·40 claims
- 1369US4624770AAir-fuel ratio sensorNGK SPARK PLUG CO·Filed 1985·Granted Nov 25, 1986·28 cites·10 claims
- 1466US2022289951A1Vibrationproof rubber composition, vulcanized molded body, and vibrationproof rubberDENKA COMPANY LTD·Filed 2022·Application pending·0 cites
- 1562US4863584AApparatus for sensing air-fuel ratioNGK SPARK PLUG CO·Filed 1988·Granted Sep 5, 1989·14 cites·6 claims
- 1661US4629549AOxygen sensorNGK SPARK PLUG CO·Filed 1985·Granted Dec 16, 1986·21 cites·10 claims
- 1760US6455191B2Connecting part for connecting internal components of lead acid batteryJAPAN STORAGE BATTERY CO LTD·Filed 2001·Granted Sep 24, 2002·4 cites·9 claims
- 1857US4806739APlate-like ceramic heaterNGK SPARK PLUG CO·Filed 1987·Granted Feb 21, 1989·15 cites·12 claims
- 1953US9574062B2Chloroprene rubber composition and vulcanized rubber thereof, and rubber molded product, vibration-damping rubber member, engine mount, and hose using vulcanized rubberABE YASUSHI·Filed 2012·Granted Feb 21, 2017·0 cites·13 claims
- 2051US9825303B2Storage battery grid, method of manufacturing storage battery grid, and storage battery using storage battery gridGS YUASA INT LTD·Filed 2014·Granted Nov 21, 2017·0 cites·18 claims
- 2150US5122487ASolid electrolyte of partially stabilized zirconia and method of producing sameNGK SPARK PLUG CO·Filed 1991·Granted Jun 16, 1992·19 cites·5 claims
- 2248US5804467ASemiconductor device and method of producing the sameFUJISTSU LIMITED·Filed 1997·Granted Sep 8, 1998·15 cites·12 claims
- 2348US2017292014A1Chloroprene rubber composition, vulcanized molded article, and anti-vibration rubberDENKA COMPANY LTD·Filed 2014·Application pending·0 cites
- 2446US6700603B1Inspection system for inspecting discrete wiring patterns formed on a continuous substrate sheet of a flexible materialMATSUSHITA ELECTRIC WORKS LTD·Filed 1999·Granted Mar 2, 2004·13 cites·10 claims
- 2542US4713166APump cell element for air-fuel ratio sensorNGK SPARK PLUG CO·Filed 1986·Granted Dec 15, 1987·8 cites·15 claims
- 2640US6034428ASemiconductor integrated circuit device having stacked wiring and insulating layersFUJITSU LTD·Filed 1996·Granted Mar 7, 2000·9 cites·7 claims
- 2739US2014212764A1Storage battery grid, method of manufacturing storage battery grid, and storage battery using storage battery gridFUJITA KOHEI·Filed 2013·Application pending·0 cites
- 2838US4747930AAir/fuel ratio sensorNGK SPARK PLUG CO·Filed 1987·Granted May 31, 1988·7 cites·6 claims
- 2931US5047137ASolid electrolyte air/fuel ratio sensor with voltage controlNGK SPARK PLUG CO·Filed 1986·Granted Sep 10, 1991·3 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →