Assignee
NGK INSULATORS INC
JP·13 granted patents·299 citations·filing 1980–2007
Top patents by PatentIndex Score
13 records- 0196US5872069AGlass-ceramics for magnetic disc substrate, magnetic disc substrate and magnetic discNGK INSULATORS INC·Filed 1997·Granted Feb 16, 1999·125 cites·8 claims
- 0288US4942999AMetal-ceramic joined composite bodies and joining process thereforNGK INSULATORS INC·Filed 1988·Granted Jul 24, 1990·46 cites·18 claims
- 0382US5288345AMethod for treating sintered alloyNGK INSULATORS INC·Filed 1992·Granted Feb 22, 1994·30 cites·5 claims
- 0478US7594807B2Twin-screw extruderNGK INSULATORS INC·Filed 2007·Granted Sep 29, 2009·5 cites·1 claims
- 0568US6919286B2Aluminum nitride ceramics, members for use in a system for producing semiconductors, and corrosion resistant membersNGK INSULATORS INC·Filed 2002·Granted Jul 19, 2005·11 cites·19 claims
- 0667US5145539AMethod of producing a honeycomb structural body having at least one step protruded from or recessed in at least one portion of an outer circumferential surface thereofNGK INSULATORS INC·Filed 1991·Granted Sep 8, 1992·25 cites·9 claims
- 0763US4279849AMethod for producing cordierite ceramic honeycomb structural bodiesNGK INSULATORS INC·Filed 1980·Granted Jul 21, 1981·18 cites·2 claims
- 0860US5144279AResistor element with thin porous metallic layer covered with glass coatingNGK INSULATORS INC·Filed 1991·Granted Sep 1, 1992·13 cites·8 claims
- 0957US5169578AMethod for producing and method of using slip casting moldNGK INSULATORS INC·Filed 1990·Granted Dec 8, 1992·13 cites·2 claims
- 1053US7678439B2Honeycomb structure and die for forming honeycomb structureNGK INSULATORS INC·Filed 2003·Granted Mar 16, 2010·3 cites·12 claims
- 1150US7608138B2Device for measuring filter pressure lossNGK INSULATORS INC·Filed 2004·Granted Oct 27, 2009·2 cites·5 claims
- 1241US6558996B1Edge structure for relaxing electric field of semiconductor device having an embedded type diffusion structureNGK INSULATORS INC·Filed 2000·Granted May 6, 2003·1 cites·4 claims
- 1336US5593471ADust collecting apparatusNGK INSULATORS INC·Filed 1995·Granted Jan 14, 1997·7 cites·7 claims
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