Individual holder
CHANG ROBERT T
US·2 granted patents·1 pending application·35 citations·filing 2011–2019
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0190US8979925B2Devices, systems, and methods for reshaping a heart valve annulusCHANG ROBERT T·Filed 2011·Granted Mar 17, 2015·29 cites·11 claims
- 0274US10494157B2Single use vials for administering eye dropsCHANG ROBERT T·Filed 2017·Granted Dec 3, 2019·6 cites·7 claims
- 0346US2020223598A1Single-use vials for administering eye dropsCHANG ROBERT T·Filed 2019·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when CHANG ROBERT T 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 →