Inventor
CHENG YAFANG
CN6 patents
⚠️ This page may combine multiple inventors who share the name “CHENG YAFANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ZHENGZHOU RES INST MECHANICAL ENG CO LTD
5 patentsUS12447561B2Oct 21, 2025
Copper-phosphorus brazing foil and preparation method thereof
ZHENGZHOU RES INST MECHANICAL ENG CO LTD0 citations53
US12290882B2May 6, 2025
Copper-phosphorus-zinc-tin brazing sheet and preparation method and use thereof
ZHENGZHOU RES INST MECHANICAL ENG CO LTD0 citations53
US12103113B2Oct 1, 2024
Copper-phosphorus brazing wire for brazing copper alloy spectacle frame as well as preparing method and system thereof
ZHENGZHOU RES INST MECHANICAL ENG CO LTD0 citations52
US11931828B2Mar 19, 2024
Copper-phosphorus-tin brazing wire and preparation method thereof
ZHENGZHOU RES INST MECHANICAL ENG CO LTD0 citations51
US11660709B2May 30, 2023
Device and method for manufacturing coated welding rod
ZHENGZHOU RES INST MECHANICAL ENG CO LTD0 citations44