Inventor
CHANG CHIA-KAN
TW10 patents
⚠️ This page may combine multiple inventors who share the name “CHANG CHIA-KAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SINTAI OPTICAL SHENZHEN CO LTD
8 patentsUS10495415B2Dec 3, 2019
Sight
SINTAI OPTICAL SHENZHEN CO LTD2 citations70
US11530900B2Dec 20, 2022
Sighting system
SINTAI OPTICAL SHENZHEN CO LTD2 citations69
US10466735B2Nov 5, 2019
Knob structure
SINTAI OPTICAL SHENZHEN CO LTD2 citations68
US10180698B2Jan 15, 2019
Knob structure
SINTAI OPTICAL SHENZHEN CO LTD4 citations68
US10578400B2Mar 3, 2020
Sight
SINTAI OPTICAL SHENZHEN CO LTD1 citations61
US10809441B2Oct 20, 2020
Optical indicating structure
SINTAI OPTICAL SHENZHEN CO LTD0 citations49
US9798156B2Oct 24, 2017
Sight
SINTAI OPTICAL SHENZHEN CO LTD1 citations49
US9151569B2Oct 6, 2015
Sight with resilient member around frame screw
SINTAI OPTICAL SHENZHEN CO LTD0 citations48