Inventor
ZHONG SHENGHUI
CN4 patents
Patents
4 patentsUS11248821B2Feb 15, 2022
Airway device
PANASONIC ECO SYS GUANGDONG CO2 citations68
US10299394B2May 21, 2019
Electrical function cassette having waterproof function and ventilating fan employing the same
PANASONIC ECO SYS GUANGDONG CO4 citations68
US8992035B2Mar 31, 2015
Lighting device for ventilating fan
PANASONIC ECO SYS GUANGDONG CO3 citations60
US10018373B2Jul 10, 2018
Spring fixing structure
PANASONIC ECO SYS GUANGDONG CO0 citations37