Inventor

ZHANG ZHE-PING

TW7 patents

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

YANG CHUN WEI

4 patents

US9884409B2Feb 6, 2018

Pipe wrench

YANG CHUN WEI11 citations77

US10300583B2May 28, 2019

Ratchet wrench

YANG CHUN WEI2 citations71

US9975222B2May 22, 2018

Ratchet wrench

YANG CHUN WEI5 citations71

US10543586B2Jan 28, 2020

Ratchet wrench and method for making the same

YANG CHUN WEI0 citations39

YANG CHUN-WEI

2 patents

US9868190B2Jan 16, 2018

Ratchet wrench

YANG CHUN-WEI2 citations60

US9381623B1Jul 5, 2016

Open wrench

YANG CHUN-WEI2 citations60

TSAI TING-KO

1 patent

US8607675B2Dec 17, 2013

Torque wrench

TSAI TING-KO3 citations49