Individual holder
CHANG SUN L
TW·4 granted patents·28 citations·filing 1987–2016
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0165US9676221B1Loose-leaf binderCHANG SUN L·Filed 2016·Granted Jun 13, 2017·1 cites·3 claims
- 0263US9669648B1Loose-leaf binder deviceCHANG SUN L·Filed 2016·Granted Jun 6, 2017·1 cites·4 claims
- 0360US4773787ABinding device for holding loose-leaf papersCHANG SUN L·Filed 1987·Granted Sep 27, 1988·20 cites·1 claims
- 0452US7341390B2Loose-leaf binderCHANG SUN L·Filed 2004·Granted Mar 11, 2008·6 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →