Inventor

ZHANG YIFENG

CN56 patents

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

ZHANG YIFENG

POLYGROUP MACAU LTD BVI

Systems and methods for air mattress temperature control

Powered tree construction

Powered tree construction

Inflatable airbed mattress internal support system

Inflatable airbed mattress internal support system

Threaded attachment system for wall-mounted pool skimmer

Lighted inflatable apparatus

Illumination system for an artificial tree

Inflatable airbed mattress internal support system

Powered tree construction

Threaded attachment system for wall-mounted pool skimmer

Lighted inflatable apparatus

Lighted inflatable apparatus

Lighted inflatable apparatus

Illumination system for an artificial tree

Universal tree stand systems and methods

NXP BV

Clear channel assessment (CCA) for UWB communications system

Single oscillator DSSS and OFDM radio receiver

Method and device for estimating IQ imbalance

Automatic gain control with two power detectors

Time and frequency domain based activity tracking system

Method and system for communicating in a wireless mesh network

Time and frequency domain based step counter

UNIV CALIFORNIA

Mammalian sweet taste receptors

Mammalian sweet and amino acid heterodimeric taste receptors

Mammalian sweet taste receptors t1r3

Mammalian sweet taste receptors

Mammalian sweet and amino acid heterodimeric taste receptors comprising T1R3 and T1R1

Mammalian sweet and amino acid heterodimeric taste receptors comprising T1R3 and T1R1

XU HAIMEI

Bluetooth earphone charging case

Wireless earphone

Earphones with charging case

Earphones with charging case

ZHANG YIFENG

Charging case

Combined earphones with charging case

Radio transmitter and radio receiver with channel condition assessment

Radio transmitter and radio receiver with channel condition assessment

ZUKER CHARLES S

Mammalian sweet taste receptors

Mammalian sweet and amino acid heterodimeric taste receptors comprising T1R3 and T1R1

XUAN PEIQI

Clock generation for integrated radio frequency receivers

Crystal-less clock generation for radio frequency receivers

POLYGROUP LTD MACAO COMMERCIAL OFFSHORE

Electric lighting system and components, and charging and connection mechanisms thereof

Electric lighting system and components, and charging and connection mechanisms thereof

KONINKL PHILIPS ELECTRONICS NV

Quadrature mismatch compensation

GUO HANGWEI

System and method of duplex wireless audio link over broadcast channels

ALIBABA GROUP HOLDING LTD

Method, apparatus, electronic device and computer-readable storage medium for video buffering

LANTO ELECTRONIC LTD

Linear vibration motor with buffer blocks

POLYGROUP MACAU LTD (BVI)

Universal tree stand systems and methods

UNIV DANMARKS TEKNISKE

System and method to control H2O2 level in advanced oxidation processes

BEIJING JINGDONG SHANGKE INFORMATION TECHNOLOGY CO LTD

Automatic vending method and apparatus, and computer-readable storage medium