Inventor

ZHU YANFANG

CN3 patents

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

CHINA PETROLEUM & CHEM CORP

1 patent

US11560524B2Jan 24, 2023

Coal powder pretreatment method and coal powder gasification method

CHINA PETROLEUM & CHEM CORP0 citations56

QINGDAO HISENSE HITACHI AIR CONDITIONING SYS CO LTD

1 patent

US12590714B2Mar 31, 2026

Air conditioner indoor unit

QINGDAO HISENSE HITACHI AIR CONDITIONING SYS CO LTD0 citations38

QINGDAO XINYAODI AGRICULTURAL TECH JOINT STOCK CO LTD

1 patent

US10544065B2Jan 28, 2020

Organic-inorganic polymeric water-retaining fertilizer and preparation method of the same

QINGDAO XINYAODI AGRICULTURAL TECH JOINT STOCK CO LTD0 citations34