Assignee
NIKKA DENSOK LTD
JP·3 granted patents·50 citations·filing 1981–1989
Top patents by PatentIndex Score
3 records- 0178US4914395AMethod and apparatus for detecting pinholeNIKKA DENSOK LTD·Filed 1989·Granted Apr 3, 1990·32 cites·10 claims
- 0248US4406157AFeedback method and apparatus for testing the internal pressure of a sealed containerNIKKA DENSOK LTD·Filed 1981·Granted Sep 27, 1983·18 cites·3 claims
- 0322US5235847AArrangement for detection of leakage or weak points in a package moveable continuously relative to the arrangementNIKKA DENSOK LTD·Filed 1989·Granted Aug 17, 1993·0 cites·11 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →