Inventor

ZHANG KEFEI

AU3 patents

⚠️ This page may combine multiple inventors who share the name “ZHANG KEFEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

M B T L LTD

1 patent

US7715982B2May 11, 2010

Monitoring sports

M B T L LTD69 citations90

SPORTZCO PTY LTD

1 patent

US7272499B2Sep 18, 2007

Monitoring water sports performance

SPORTZCO PTY LTD17 citations75

ZWXG (BEIJING) TECH CO LTD

1 patent

US10736695B2Aug 11, 2020

Visual fractional laser instrument

ZWXG (BEIJING) TECH CO LTD0 citations27