Inventor · disambiguated record
Kazuhiko Kumazawa
Also filed as: KUMAZAWA KAZUHIKO
18 granted patents·1 pending application·424 citations·filing 1991–2015
95Inventor score
Files withNGK INSULATORS LTD18
Top patents by PatentIndex Score
19 records- 0196US9700842B2Honeycomb filterNGK INSULATORS LTD·Filed 2015·Granted Jul 11, 2017·13 cites·14 claims
- 0295US5545243APorous ceramic honeycomb filterNGK INSULATORS LTD·Filed 1994·Granted Aug 13, 1996·102 cites·6 claims
- 0393US9803596B2Honeycomb filterNGK INSULATORS LTD·Filed 2015·Granted Oct 31, 2017·6 cites·11 claims
- 0492US6818580B2Honeycomb ceramics structure body and method for producing the sameNGK INSULATORS LTD·Filed 2001·Granted Nov 16, 2004·58 cites·10 claims
- 0591US9759157B2Heat/acoustic wave conversion unitNGK INSULATORS LTD·Filed 2015·Granted Sep 12, 2017·8 cites·15 claims
- 0690US5549725ACordierite ceramic filterNGK INSULATORS LTD·Filed 1994·Granted Aug 27, 1996·78 cites·4 claims
- 0788US9869303B2Heat/acoustic wave conversion component and heat/acoustic wave conversion unitNGK INSULATORS LTD·Filed 2015·Granted Jan 16, 2018·4 cites·19 claims
- 0881US5185110AMethod of producing porous ceramic filter, using cordierite composition including talc and silica powdersNGK INSULATORS LTD·Filed 1991·Granted Feb 9, 1993·52 cites·8 claims
- 0975US9765760B2Heat/acoustic wave conversion component and heat/acoustic wave conversion unitNGK INSULATORS LTD·Filed 2015·Granted Sep 19, 2017·2 cites·19 claims
- 1075US6589465B2Method for producing ceramic honeycomb structural bodyNGK INSULATORS LTD·Filed 2001·Granted Jul 8, 2003·14 cites·4 claims
- 1167US6726977B2Cordierite honeycomb structure and manufacturing method thereofNGK INSULATORS LTD·Filed 2001·Granted Apr 27, 2004·12 cites·6 claims
- 1265US5567663ACordierite honeycomb ceramics and method producing the sameNGK INSULATORS LTD·Filed 1995·Granted Oct 22, 1996·21 cites·8 claims
- 1352US6210645B1Honeycomb regeneratorNGK INSULATORS LTD·Filed 1996·Granted Apr 3, 2001·17 cites·9 claims
- 1446US9759201B2Heat/acoustic wave conversion component and heat/acoustic wave conversion unitNGK INSULATORS LTD·Filed 2015·Granted Sep 12, 2017·0 cites·12 claims
- 1546US5992504AHoneycomb regeneratorNGK INSULATORS LTD·Filed 1995·Granted Nov 30, 1999·14 cites·11 claims
- 1646US5846899ACeramic honeycomb catalyst having excellent thermal shock resistanceNGK INSULATORS LTD·Filed 1997·Granted Dec 8, 1998·10 cites·6 claims
- 1739US2003024219A1Filter and exhaust gas purificationFiled 2001·Application pending·0 cites
- 1837US5721037AHoneycomb structural bodies and method of producing the sameNGK INSULATORS LTD·Filed 1995·Granted Feb 24, 1998·8 cites·6 claims
- 1935US5609807AProduction of ceramic structural bodiesNGK INSULATORS LTD·Filed 1994·Granted Mar 11, 1997·5 cites·4 claims
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