Assignee
CHANG CHI YUAN
TW·8 granted patents·7 pending applications·71 citations·filing 2005–2020
Top patents by PatentIndex Score
15 records- 0190US9839260B1Pneumatic insoleCHANG CHI-YUAN·Filed 2016·Granted Dec 12, 2017·15 cites·9 claims
- 0289US7950909B2Pump structure connectable with an air cushion or a bladderCHANG CHI-YUAN·Filed 2009·Granted May 31, 2011·12 cites·19 claims
- 0387US9155368B2Waterproof protection pouch for mobile devicesCHANG CHI-YUAN·Filed 2014·Granted Oct 13, 2015·14 cites·9 claims
- 0486US9571147B1Portable storage buckling unitCHANG CHI-YUAN·Filed 2016·Granted Feb 14, 2017·7 cites·20 claims
- 0582US9731886B2Waterproof enclosure for electronic deviceCHANG CHI-YUAN·Filed 2014·Granted Aug 15, 2017·10 cites·19 claims
- 0678US11472584B2Vacuum bagCHANG CHI YUAN·Filed 2020·Granted Oct 18, 2022·1 cites·14 claims
- 0772US10539125B2Manual pumpCHANG CHI YUAN·Filed 2017·Granted Jan 21, 2020·1 cites·14 claims
- 0868US2011052098A1Inflatable protective bagCHANG CHI-YUAN·Filed 2009·Application pending·0 cites
- 0966USD825167SPneumatic insoleCHANG CHI YUAN·Filed 2017·Granted Aug 14, 2018·11 cites·1 claims
- 1059US2009162229A1Pump structure connectable with an air cushion or a bladderCHANG CHI-YUAN·Filed 2009·Application pending·0 cites
- 1152US2007071623A1Pump structure easily and quickly connectable with an air cushion or a bladderCHANG CHI-YUAN·Filed 2005·Application pending·0 cites
- 1252US2014170358A1Double-Sided Reusable Adhesive SheetCHANG CHI YUAN·Filed 2013·Application pending·0 cites
- 1351US2008304987A1Bladder-Inflating StructureCHANG CHI-YUAN·Filed 2007·Application pending·0 cites
- 1446US2008069326A1Method of integrating an intercom system and a mobile communication deviceCHANG CHI-YUAN·Filed 2006·Application pending·0 cites
- 1546US2020217312A1Squeeze-type pumpCHANG CHI YUAN·Filed 2019·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when CHANG CHI YUAN 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 →