Inventor

QI FAN

CN4 patents

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

SIFOTONICS TECH BEIJING CO LTD

2 patents

US12335029B1Jun 17, 2025

Coherent light receiving optical device

SIFOTONICS TECH BEIJING CO LTD0 citations46

US12490525B2Dec 2, 2025

Normal-incident photodiode structure with dark current self-compensation function

SIFOTONICS TECH BEIJING CO LTD0 citations44

SHANGHAI MICROPORT MEDICAL GROUP CO LTD

1 patent

US12558241B2Feb 24, 2026

Degradable drug-loaded stent and manufacturing method therefor

SHANGHAI MICROPORT MEDICAL GROUP CO LTD0 citations41

FUJIAN JINGAN OPTOELECTRONICS CO LTD

1 patent

US11486054B2Nov 1, 2022

Method for growing crystal boule

FUJIAN JINGAN OPTOELECTRONICS CO LTD0 citations37