Assignee
NGK SPARK CO LTD
JP·2 granted patents·1 pending application·63 citations·filing 1987–2010
Top patents by PatentIndex Score
3 records- 0188US4991991AJoint structure between a ceramic shaft and a metallic shaftNGK SPARK CO LTD·Filed 1987·Granted Feb 12, 1991·53 cites·10 claims
- 0246US5759935AComposition for producing low sintering temperature ceramic dielectrics and method of manufacturing such dielectricsNGK SPARK CO LTD·Filed 1996·Granted Jun 2, 1998·10 cites·13 claims
- 0338US2010264027A1Gas sensorNGK SPARK CO LTD·Filed 2010·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when NGK SPARK CO LTD files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →