Inventor · disambiguated record
Chia-Kan Chang
Also filed as: CHANG CHIA-KAN
10 granted patents·1 pending application·21 citations·filing 2013–2020
84Inventor score
Top patents by PatentIndex Score
11 records- 0187US11060816B2Digital turret ballistic aiming systemSIG SAUER INC·Filed 2020·Granted Jul 13, 2021·4 cites·7 claims
- 0281US10180698B2Knob structureSINTAI OPTICAL SHENZHEN CO LTD·Filed 2016·Granted Jan 15, 2019·4 cites·8 claims
- 0374US10767962B2Digital turret ballistic aiming systemSIG SAUER INC·Filed 2018·Granted Sep 8, 2020·5 cites·16 claims
- 0474US10466735B2Knob structureSINTAI OPTICAL SHENZHEN CO LTD·Filed 2018·Granted Nov 5, 2019·2 cites·20 claims
- 0559US10495415B2SightSINTAI OPTICAL SHENZHEN CO LTD·Filed 2019·Granted Dec 3, 2019·2 cites·20 claims
- 0658US11530900B2Sighting systemSINTAI OPTICAL SHENZHEN CO LTD·Filed 2019·Granted Dec 20, 2022·2 cites·16 claims
- 0753US10809441B2Optical indicating structureSINTAI OPTICAL SHENZHEN CO LTD·Filed 2018·Granted Oct 20, 2020·0 cites·19 claims
- 0853US10578400B2SightSINTAI OPTICAL SHENZHEN CO LTD·Filed 2018·Granted Mar 3, 2020·1 cites·20 claims
- 0949US9798156B2SightSINTAI OPTICAL SHENZHEN CO LTD·Filed 2016·Granted Oct 24, 2017·1 cites·12 claims
- 1039US9151569B2Sight with resilient member around frame screwSINTAI OPTICAL SHENZHEN CO LTD·Filed 2013·Granted Oct 6, 2015·0 cites·7 claims
- 1138US2018203215A1Optical Magnification SystemSINTAI OPTICAL SHENZHEN CO LTD·Filed 2017·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →