Assignee
NGB SPARK PLUG CO LTD
JP·4 granted patents·33 citations·filing 1985–1990
Top patents by PatentIndex Score
4 records- 0160US4844029AHeater for starting engineNGB SPARK PLUG CO LTD·Filed 1986·Granted Jul 4, 1989·17 cites·10 claims
- 0248US4672503AElectric field forming apparatusNGB SPARK PLUG CO LTD·Filed 1985·Granted Jun 9, 1987·8 cites·5 claims
- 0329US4861625AMethod of manufacturing a thermal printing head having a partially-glazed ceramic substrateNGB SPARK PLUG CO LTD·Filed 1986·Granted Aug 29, 1989·2 cites·6 claims
- 0423US5006143AMethod of producing a joined article through bonding with low melting point glassNGB SPARK PLUG CO LTD·Filed 1990·Granted Apr 9, 1991·6 cites·6 claims
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