Inventor
ZHANG KUNZHI
CN5 patents
⚠️ This page may combine multiple inventors who share the name “ZHANG KUNZHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHENZHEN PERFECT LOVE DIAMOND CO LTD
3 patentsUSD901324SNov 10, 2020
Diamond with eighty-one facets
SHENZHEN PERFECT LOVE DIAMOND CO LTD2 citations68
US10918175B2Feb 16, 2021
Diamond with ten hearts and ten arrows
SHENZHEN PERFECT LOVE DIAMOND CO LTD0 citations57
US10376026B2Aug 13, 2019
Diamond with eighty-one facets having a ten hearts and ten arrows inner structure and a cutting method thereof
SHENZHEN PERFECT LOVE DIAMOND CO LTD1 citations57