Inventor

SHEN QINGCHUN

CN7 patents

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

SHEN QINGCHUN

2 patents

US8170194B2May 1, 2012

Method and system for replicating ring back tones

SHEN QINGCHUN12 citations80

US8599831B2Dec 3, 2013

Method for establishing a session between a caller and a callee

SHEN QINGCHUN4 citations56

YI ZHIQUAN

2 patents

US8335201B2Dec 18, 2012

Call control method, communication system, and relevant devices

YI ZHIQUAN0 citations35

US8284767B2Oct 9, 2012

Call processing method, system and equipment of same number service

YI ZHIQUAN0 citations32

HUAWEI TECH CO LTD

1 patent

US7471783B1Dec 30, 2008

Method and system for replicating ring back tones

HUAWEI TECH CO LTD12 citations82

INST ANIMAL SCIENCES CAAS

1 patent

US12168806B2Dec 17, 2024

Full-automatic detection apparatus and system for important zoonotic pathogen, and control method for full-automatic detection apparatus for important zoonotic pathogen

INST ANIMAL SCIENCES CAAS0 citations40

ZHANG ZHIFENG

1 patent

US8295464B2Oct 23, 2012

Method, system and apparatus for implementing ringback tone service

ZHANG ZHIFENG0 citations32