Inventor
QIAN YIFEI
CN10 patents
⚠️ This page may combine multiple inventors who share the name “QIAN YIFEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHANGHAI HUALI MICROELECT CORP
3 patentsUS10877501B1Dec 29, 2020
Power supply powering-on structure
SHANGHAI HUALI MICROELECT CORP5 citations71
US12212319B2Jan 28, 2025
Power-on-reset circuit
SHANGHAI HUALI MICROELECT CORP0 citations50
US12273102B2Apr 8, 2025
System for turning off power consumption of auxiliary startup circuit
SHANGHAI HUALI MICROELECT CORP0 citations46
SHANGHAI HUALI INTEGRATED CIRCUIT CORP
3 patentsUS11841723B2Dec 12, 2023
Distributed LDO structure without external capacitor
SHANGHAI HUALI INTEGRATED CIRCUIT CORP1 citations61
US12340854B2Jun 24, 2025
Multilevel voltage detector circuit
SHANGHAI HUALI INTEGRATED CIRCUIT CORP0 citations50
US12574043B2Mar 10, 2026
Capacitive DAC structure
SHANGHAI HUALI INTEGRATED CIRCUIT CORP0 citations43
FURUKAWA ELECTRIC NORTH AM INC
2 patentsUS6952517B2Oct 4, 2005
Method for the manufacture of optical fibers, improved optical fibers, and improved raman fiber amplifier communication systems
FURUKAWA ELECTRIC NORTH AM INC11 citations72
US6904217B2Jun 7, 2005
Method for the manufacture of optical fibers, improved optical fibers, and improved Raman fiber amplifier communication systems
FURUKAWA ELECTRIC NORTH AM INC10 citations72