Inventor · disambiguated record
Osamu Yoshimoto
Also filed as: YOSHIMOTO OSAMU
40 granted patents·7 pending applications·147 citations·filing 1997–2025
97Inventor score
Top patents by PatentIndex Score
47 records- 0191US12251923B2Joined body, holding device, and electrostatic chuckNGK SPARK PLUG CO·Filed 2021·Granted Mar 18, 2025·2 cites·20 claims
- 0289US7336024B2Spark plugNGK SPARK PLUG CO·Filed 2005·Granted Feb 26, 2008·11 cites·9 claims
- 0382US7164225B2Small size spark plug having side spark preventionNGK SPARK PLUG CO·Filed 2004·Granted Jan 16, 2007·18 cites·20 claims
- 0482US6864622B2Spark plugNGK SPARK PLUG CO·Filed 2002·Granted Mar 8, 2005·17 cites·4 claims
- 0577US7279827B2Spark plug with electrode including precious metalNGK SPARK PLUG CO·Filed 2004·Granted Oct 9, 2007·14 cites·11 claims
- 0675US8410673B2Spark plug having a ground electrode of specific alloy composition to which a noble metal tip is joinedTORII KAZUYOSHI·Filed 2009·Granted Apr 2, 2013·2 cites·13 claims
- 0774US8810120B2Spark plugSUMOYAMA DAISUKE·Filed 2012·Granted Aug 19, 2014·3 cites·7 claims
- 0874US7382084B2Spark plug having a precious metal tipNGK SPARK PLUG CO·Filed 2004·Granted Jun 3, 2008·13 cites·14 claims
- 0973US9027524B2Spark plug for internal combustion engine and method of manufacturing the sameMUSASA MAMORU·Filed 2008·Granted May 12, 2015·2 cites·7 claims
- 1071US8344604B2Spark plug for internal combustion engineNGK SPARK PLUG CO·Filed 2008·Granted Jan 1, 2013·4 cites·11 claims
- 1169US9109288B2Gas supply systemYOSHIMOTO OSAMU·Filed 2010·Granted Aug 18, 2015·2 cites·10 claims
- 1268US7316765B2Apparatus and method for molten salt electrolytic bath controlTOYO TANSO CO·Filed 2004·Granted Jan 8, 2008·7 cites·8 claims
- 1368US7288879B2Spark plug having ground electrode including precious metal alloy portion containing first, second and third componentsNGK SPARK PLUG CO·Filed 2004·Granted Oct 30, 2007·10 cites·12 claims
- 1467US12308619B2Noble metal tip for spark plug, electrode for spark plug, and spark plugNGK SPARK PLUG CO·Filed 2021·Granted May 20, 2025·0 cites·8 claims
- 1566US7859177B2Spark plug for internal-combustion enginesNGK SPARK PLUG CO·Filed 2006·Granted Dec 28, 2010·3 cites·9 claims
- 1665US7550906B2Spark plug having a noble-metal chip and method for manufacturing the sameNGK SPARK PLUG CO·Filed 2005·Granted Jun 23, 2009·3 cites·11 claims
- 1762USRE41944EMethod for manufacturing noble metal electric discharge chips for spark plugsNGK SPARK PLUG CO·Filed 2008·Granted Nov 23, 2010·2 cites·7 claims
- 1861US8922103B2Spark plugYOSHIMOTO OSAMU·Filed 2010·Granted Dec 30, 2014·1 cites·8 claims
- 1959US2008128270A1Electrolytic apparatus for molten saltTOYO TANSO CO·Filed 2008·Application pending·0 cites
- 2057US7556678B2Gas generatorTOYO TANSO CO·Filed 2004·Granted Jul 7, 2009·2 cites·4 claims
- 2157US7351322B2Fluorine gas generator and method of electrolytic bath liquid level controlTOYO TANSO CO·Filed 2003·Granted Apr 1, 2008·2 cites·2 claims
- 2256US8128792B2Fluorine gas generatorHIRAIWA JIRO·Filed 2003·Granted Mar 6, 2012·4 cites·10 claims
- 2355US8523625B2Method of manufacturing spark plugKANEMARU TOMONORI·Filed 2012·Granted Sep 3, 2013·1 cites·6 claims
- 2455US7131191B2Method for manufacturing noble metal electric discharge chips for spark plugsNGK SPARK PLUG CO·Filed 2004·Granted Nov 7, 2006·10 cites·6 claims
- 2554US12492149B2Ceramic sintered body and plasma-generating electrodeNITERRA CO LTD·Filed 2025·Granted Dec 9, 2025·0 cites·12 claims
- 2654US9548593B2Spark plugNGK SPARK PLUG CO·Filed 2014·Granted Jan 17, 2017·0 cites·8 claims
- 2753US8164242B2Spark plugYOSHIMOTO OSAMU·Filed 2008·Granted Apr 24, 2012·1 cites·21 claims
- 2852US8038852B2Fluorine gas generatorTOYO TANSO CO·Filed 2003·Granted Oct 18, 2011·2 cites·14 claims
- 2950US9240677B2Spark plugNGK SPARK PLUG CO·Filed 2013·Granted Jan 19, 2016·0 cites·4 claims
- 3050US8366886B2Fluorogas generatorTOYO TANSO CO·Filed 2006·Granted Feb 5, 2013·0 cites·8 claims
- 3149US8664842B2Spark plugTANAKA TOMOO·Filed 2011·Granted Mar 4, 2014·0 cites·5 claims
- 3249US2004149570A1Electrolytic apparatus for molten saltTOYO TANSO CO·Filed 2004·Application pending·0 cites
- 3348US8866370B2Spark plugSHIBATA TSUTOMU·Filed 2011·Granted Oct 21, 2014·0 cites·10 claims
- 3448US7288180B2Electric current control method and apparatus for use in gas generatorsTOYO TANSO CO·Filed 2004·Granted Oct 30, 2007·0 cites·8 claims
- 3547US7343924B2System for supplying halogen gas or halogen containing gas and method thereofTOYO TANSO CO·Filed 2005·Granted Mar 18, 2008·0 cites·14 claims
- 3647US2023303457A1Joined body, holding device, and electrostatic chuckNGK SPARK PLUG CO·Filed 2021·Application pending·0 cites
- 3746US9783872B2Electrode material and spark plugNGK SPARK PLUG CO·Filed 2014·Granted Oct 10, 2017·0 cites·10 claims
- 3845US8593045B2Spark plugYOSHIMOTO OSAMU·Filed 2011·Granted Nov 26, 2013·0 cites·7 claims
- 3945US2011020187A1Surface treatment apparatusTOYO TANSO CO·Filed 2008·Application pending·0 cites
- 4045US2004108201A1Fluorine gas generatorTOYO TANSO CO·Filed 2003·Application pending·0 cites
- 4142US8624472B2Spark plug for internal combustion engineYOSHIMOTO OSAMU·Filed 2008·Granted Jan 7, 2014·0 cites·7 claims
- 4241US8952601B2Spark plugKUNO TAKEHITO·Filed 2011·Granted Feb 10, 2015·0 cites·11 claims
- 4341US8387559B2Semiconductor manufacturing plantHIRAIWA JIRO·Filed 2007·Granted Mar 5, 2013·0 cites·13 claims
- 4440US5894696AMethod of and apparatus for supplying a solution for raising of terrestrial plantsTOYO TANSO CO·Filed 1997·Granted Apr 20, 1999·11 cites·15 claims
- 4539US2013068627A1Gas generation device and gas generation methodSHODAI YOSHIO·Filed 2011·Application pending·0 cites
- 4636US9343876B2Spark plugYOSHIMOTO OSAMU·Filed 2012·Granted May 17, 2016·0 cites·14 claims
- 4733US2012160667A1Electrolytic deviceYOSHIMOTO OSAMU·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →