Individual holder
KOH JOHN K
4 granted patents·25 citations·filing 1978–1987
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0165USD252841SSoap dishKOH JOHN K·Filed 1978·Granted Sep 11, 1979·9 cites·1 claims
- 0252USD262653SIncubator oxygen domeKOH JOHN K·Filed 1980·Granted Jan 12, 1982·6 cites·1 claims
- 0341USD269369SOxygen hoodKOH JOHN K·Filed 1980·Granted Jun 14, 1983·3 cites·1 claims
- 0434US4775003ALaboratory materials and apparatus support and laminar flow thermal transfer deviceKOH JOHN K·Filed 1987·Granted Oct 4, 1988·7 cites·15 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →