Assignee

NGK INSULATORS LTS

US·2 granted patents·9 citations·filing 1991–2001

Technology mixB01D1 B01J1 C04B1 F01N1 Y02T1 Y10S1

Top patents by PatentIndex Score

2 records

0162US6837911B2Ceramic-made filter and process for production thereofNGK INSULATORS LTS·Filed 2001·Granted Jan 4, 2005·6 cites·18 claims
0233US5178809AProcess for producing silicon nitride sintered materialNGK INSULATORS LTS·Filed 1991·Granted Jan 12, 1993·3 cites·6 claims

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