Inventor
CHING HO
HK7 patents
⚠️ This page may combine multiple inventors who share the name “CHING HO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MASTER DYNAMIC LTD
5 patentsUS8882341B2Nov 11, 2014
Stress-relief elastic structure of hairspring collet
MASTER DYNAMIC LTD8 citations74
US9658598B2May 23, 2017
Hairspring for a time piece and hairspring design for concentricity
MASTER DYNAMIC LTD2 citations69
US9903049B2Feb 27, 2018
Silicon hairspring
MASTER DYNAMIC LTD3 citations66
US10475355B2Nov 12, 2019
Method of providing markings to precious stones including gemstones and diamonds, and markings and marked precious stones marked according to such a method
MASTER DYNAMIC LTD1 citations58
US9411312B2Aug 9, 2016
Silicon overcoil balance spring
MASTER DYNAMIC LTD1 citations43