Inventor
TSAI TONG CHENG
TW8 patents
⚠️ This page may combine multiple inventors who share the name “TSAI TONG CHENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
POLYTRONICS TECHNOLOGY CORP
5 patentsUS11800895B2Oct 31, 2023
Vaporizing apparatus and vaporizer thereof
POLYTRONICS TECHNOLOGY CORP0 citations55
US9653192B2May 16, 2017
PTC composition and over-current protection device containing the same
POLYTRONICS TECHNOLOGY CORP0 citations48
US7708912B2May 4, 2010
Variable impedance composition
POLYTRONICS TECHNOLOGY CORP0 citations48
US7965479B2Jun 21, 2011
Over-current and over-voltage protection assembly apparatus
POLYTRONICS TECHNOLOGY CORP1 citations47
US11992053B2May 28, 2024
Vaporizing apparatus and vaporizer thereof
POLYTRONICS TECHNOLOGY CORP0 citations39