P

Inventor

QI YAMEI

CN4 patents
⚠️ This page may combine multiple inventors who share the name “QI YAMEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LI TIECAI

3 patents
US8179126B2May 15, 2012

Hall rotary transformer and hall rotation angle encoder made of it

LI TIECAI21 citations86
US8089192B2Jan 3, 2012

Three-phase square-wave permanent magnet brushless DC motor

LI TIECAI16 citations76
US8183803B2May 22, 2012

Brushless DC motor control system

LI TIECAI4 citations57

QI YAMEI

1 patent
US8975799B2Mar 10, 2015

Broad-pole type square-wave three-phase brushless permanent magnet direct current motor and assembling method thereof

QI YAMEI1 citations38