Assignee
NAKANISHI OPTICAL CO LTD
JP·4 granted patents·305 citations·filing 1990–1991
Technology mixG02C4
Top patents by PatentIndex Score
4 records- 0196US5343259AGlassesNAKANISHI OPTICAL CO LTD·Filed 1991·Granted Aug 30, 1994·202 cites·5 claims
- 0290US5042934AEyeglasses having special connectionsNAKANISHI OPTICAL CO LTD·Filed 1990·Granted Aug 27, 1991·95 cites·2 claims
- 0333US5102215AEyeglass frame memberNAKANISHI OPTICAL CO LTD·Filed 1990·Granted Apr 7, 1992·5 cites·3 claims
- 0431US5150136AStructure for connecting eyeglass partsNAKANISHI OPTICAL CO LTD·Filed 1990·Granted Sep 22, 1992·3 cites·2 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →