Inventor · disambiguated record
Kuan Jen Hsieh
Also filed as: HSIEH KUAN JEN
3 granted patents·30 citations·filing 2013–2016
69Inventor score
Technology areasB25B
Top patents by PatentIndex Score
3 records- 0182US10029353B2Control device for ratchet wrenchHSIEH KUAN JEN·Filed 2016·Granted Jul 24, 2018·6 cites·10 claims
- 0281US9079299B2Switching device for ratchet wrenchWU KUO-HSIEN·Filed 2013·Granted Jul 14, 2015·10 cites·6 claims
- 0361USD743770SHandle of hand toolHSIEH KUAN JEN·Filed 2014·Granted Nov 24, 2015·14 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Kuan Jen Hsieh files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →