Assignee
NGK INSULATORS LTD
JP·4,464 granted patents·1,255 pending applications·60,039 citations·filing 1975–2025
Top patents by PatentIndex Score
5,719 records- 0199US9080484B2Wall flow type exhaust gas purification filterNGK INSULATORS LTD·Filed 2014·Granted Jul 14, 2015·25 cites·17 claims
- 0299US6783875B2Halogen gas plasma-resistive members and method for producing the same, laminates, and corrosion-resistant membersNGK INSULATORS LTD·Filed 2001·Granted Aug 31, 2004·471 cites·54 claims
- 0399US6645304B2Susceptors for semiconductor-producing apparatusesNGK INSULATORS LTD·Filed 2001·Granted Nov 11, 2003·552 cites·15 claims
- 0499US6608745B2Electrostatic chunksNGK INSULATORS LTD·Filed 2001·Granted Aug 19, 2003·496 cites·20 claims
- 0599US6160244ASusceptorsNGK INSULATORS LTD·Filed 1999·Granted Dec 12, 2000·573 cites·24 claims
- 0698US10290847B2Separator structure body for use in zinc secondary batteryNGK INSULATORS LTD·Filed 2016·Granted May 14, 2019·20 cites·14 claims
- 0798US9438201B2Composite substrates for acoustic wave elements, and acoustic wave elementsNGK INSULATORS LTD·Filed 2015·Granted Sep 6, 2016·29 cites·12 claims
- 0898US7708844B2Method of forming metallic glassNGK INSULATORS LTD·Filed 2005·Granted May 4, 2010·34 cites·8 claims
- 0998US6690344B1Method and apparatus for driving device and displayNGK INSULATORS LTD·Filed 2000·Granted Feb 10, 2004·235 cites·116 claims
- 1098US6471779B1Gas feed ceramic structure for semiconductor-producing apparatusNGK INSULATORS LTD·Filed 2000·Granted Oct 29, 2002·537 cites·10 claims
- 1198US6239402B1Aluminum nitride-based sintered bodies, corrosion-resistant members, metal-buried articles and semiconductor-holding apparatusesNGK INSULATORS LTD·Filed 1999·Granted May 29, 2001·357 cites·13 claims
- 1298US6139983ACorrosion-resistant member, wafer-supporting member, and method of manufacturing the sameNGK INSULATORS LTD·Filed 1998·Granted Oct 31, 2000·370 cites·4 claims
- 1398US6134883AMethod of controlling an engine exhaust gas system and method of detecting deterioration of catalyst/adsorbing meansNGK INSULATORS LTD·Filed 1999·Granted Oct 24, 2000·125 cites·2 claims
- 1498US5232765ADistributed constant circuit board using ceramic substrate materialNGK INSULATORS LTD·Filed 1991·Granted Aug 3, 1993·186 cites·6 claims
- 1598US4673349AHigh temperature surface combustion burnerNGK INSULATORS LTD·Filed 1985·Granted Jun 16, 1987·128 cites·5 claims
- 1698US4304585AMethod for producing a thermal stress-resistant, rotary regenerator type ceramic heat exchangerNGK INSULATORS LTD·Filed 1979·Granted Dec 8, 1981·84 cites·3 claims
- 1798US4293357AMethod for producing ceramic honeycomb filtersNGK INSULATORS LTD·Filed 1980·Granted Oct 6, 1981·181 cites·14 claims
- 1897US11486852B2Gas sensor element and gas sensorNGK INSULATORS LTD·Filed 2020·Granted Nov 1, 2022·6 cites·8 claims
- 1997US11369952B2Honeycomb structure and exhaust gas purifying deviceNGK INSULATORS LTD·Filed 2021·Granted Jun 28, 2022·4 cites·13 claims
- 2097US11262046B2Phosphor element, method for producing same, and lighting deviceNGK INSULATORS LTD·Filed 2021·Granted Mar 1, 2022·4 cites·12 claims
- 2197US10207223B2Exhaust gas purifying deviceNGK INSULATORS LTD·Filed 2018·Granted Feb 19, 2019·13 cites·8 claims
- 2297US7858169B2Honeycomb segmentNGK INSULATORS LTD·Filed 2009·Granted Dec 28, 2010·58 cites·4 claims
- 2397US6542050B1Transmitter-receiverNGK INSULATORS LTD·Filed 2000·Granted Apr 1, 2003·227 cites·39 claims
- 2497US5767612APiezoelectric/electrostrictive film element with a diaphragm having at least one stress releasing end sectionNGK INSULATORS LTD·Filed 1995·Granted Jun 16, 1998·116 cites·6 claims
- 2597US5629067ACeramic honeycomb structure with grooves and outer coating, process of producing the same, and coating material used in the honeycomb structureNGK INSULATORS LTD·Filed 1993·Granted May 13, 1997·176 cites·13 claims
- 2697US5475279APiezoelectric/electrostrictive actuator having integral ceramic base member and film-type piezoelectric/electrostrictive element (S)NGK INSULATORS LTD·Filed 1995·Granted Dec 12, 1995·141 cites·12 claims
- 2797US5439865ACatalyst for exhaust gas purification and process for production thereofNGK INSULATORS LTD·Filed 1993·Granted Aug 8, 1995·173 cites·37 claims
- 2897US5306895ACorrosion-resistant member for chemical apparatus using halogen series corrosive gasNGK INSULATORS LTD·Filed 1992·Granted Apr 26, 1994·157 cites·23 claims
- 2997US5231690AWafer heaters for use in semiconductor-producing apparatus and heating units using such wafer heatersNGK INSULATORS LTD·Filed 1991·Granted Jul 27, 1993·320 cites·13 claims
- 3097US4857089ACeramic honeycomb filter for purifying exhaust gasesNGK INSULATORS LTD·Filed 1988·Granted Aug 15, 1989·150 cites·2 claims
- 3197US4798693AMethod of manufacturing an electrochemical deviceNGK INSULATORS LTD·Filed 1987·Granted Jan 17, 1989·192 cites·10 claims
- 3297US4559193AMethod of sealing open ends of ceramic honeycomb structural bodyNGK INSULATORS LTD·Filed 1983·Granted Dec 17, 1985·115 cites·11 claims
- 3397US4360598AZirconia ceramics and a method of producing the sameNGK INSULATORS LTD·Filed 1981·Granted Nov 23, 1982·125 cites·6 claims
- 3497US4280845ACordierite ceramicNGK INSULATORS LTD·Filed 1979·Granted Jul 28, 1981·88 cites·5 claims
- 3596US11448907B2Bonded bodies for optical modulators, optical modulators and a method of producing bonded bodies for optical modulatorsNGK INSULATORS LTD·Filed 2020·Granted Sep 20, 2022·6 cites·8 claims
- 3696US11281032B2Composite substrate for electro-optic element and method for manufacturing the sameNGK INSULATORS LTD·Filed 2020·Granted Mar 22, 2022·3 cites·14 claims
- 3796US11211599B2Lithium composite oxide sintered body plateNGK INSULATORS LTD·Filed 2019·Granted Dec 28, 2021·6 cites·5 claims
- 3896US10454109B2Plate-shaped lithium composite oxideNGK INSULATORS LTD·Filed 2018·Granted Oct 22, 2019·13 cites·4 claims
- 3996US9822681B2Plugged honeycomb structure and manufacturing method of the sameNGK INSULATORS LTD·Filed 2015·Granted Nov 21, 2017·12 cites·18 claims
- 4096US9700842B2Honeycomb filterNGK INSULATORS LTD·Filed 2015·Granted Jul 11, 2017·13 cites·14 claims
- 4196US9431067B2Volatile memory backup system including all-solid-state batteryNGK INSULATORS LTD·Filed 2015·Granted Aug 30, 2016·12 cites·34 claims
- 4296USD763427SWall flow type exhaust gas purification filterNGK INSULATORS LTD·Filed 2015·Granted Aug 9, 2016·9 cites·1 claims
- 4396US9293791B2Zinc secondary batteryNGK INSULATORS LTD·Filed 2014·Granted Mar 22, 2016·22 cites·10 claims
- 4496US8866365B2Composite substrate with partially planarized irregular surfaceNGK INSULATORS LTD·Filed 2014·Granted Oct 21, 2014·31 cites·3 claims
- 4596US8632852B2Method for producing a honeycomb filterNGK INSULATORS LTD·Filed 2013·Granted Jan 21, 2014·23 cites·15 claims
- 4696US7965015B2Lamb wave deviceNGK INSULATORS LTD·Filed 2009·Granted Jun 21, 2011·151 cites·6 claims
- 4796US7867598B2Honeycomb structure and honeycomb catalytic bodyNGK INSULATORS LTD·Filed 2006·Granted Jan 11, 2011·31 cites·22 claims
- 4896US7763222B2Exhaust gas purifying systemNGK INSULATORS LTD·Filed 2007·Granted Jul 27, 2010·32 cites·8 claims
- 4996US6773481B2Porous honeycomb filter and manufacturing method thereofNGK INSULATORS LTD·Filed 2001·Granted Aug 10, 2004·111 cites·15 claims
- 5096US6391812B1Silicon nitride sintered body and method of producing the sameNGK INSULATORS LTD·Filed 2000·Granted May 21, 2002·109 cites·7 claims
Showing the top 50 of 5,719 patent records by PatentIndex Score.
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