Inventor
CHEN YANFEI
JP25 patents
⚠️ This page may combine multiple inventors who share the name “CHEN YANFEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
9 patentsUS8854240B2Oct 7, 2014
Analog-to-digital converter and electronic apparatus
FUJITSU LTD10 citations83
US8854243B2Oct 7, 2014
AD converter circuit and ad conversion method
FUJITSU LTD10 citations83
US8947286B2Feb 3, 2015
Analog/digital converter
FUJITSU LTD6 citations72
US9531366B2Dec 27, 2016
Comparator with controlled current supply capacity
FUJITSU LTD1 citations51
US9425776B2Aug 23, 2016
Method for detecting hysteresis characteristic of comparator and semiconductor device
FUJITSU LTD0 citations51
US8884803B2Nov 11, 2014
AD converter apparatus, AD converter circuit, and AD conversion method
FUJITSU LTD1 citations51
US10007877B2Jun 26, 2018
Boltzmann machine circuit
FUJITSU LTD0 citations41
US9203256B2Dec 1, 2015
Charge transfer circuit
FUJITSU LTD0 citations41
US9118460B2Aug 25, 2015
Clock and data recovery circuit
FUJITSU LTD0 citations41
GUANGDONG SKG INTELLIGENT TECH CO LTD
4 patentsUS11766557B2Sep 26, 2023
Neck-hanging massaging device
GUANGDONG SKG INTELLIGENT TECH CO LTD1 citations72
US11738190B2Aug 29, 2023
Neck-hanging massaging device
GUANGDONG SKG INTELLIGENT TECH CO LTD0 citations61
US11712555B2Aug 1, 2023
Neck-hanging massaging device
GUANGDONG SKG INTELLIGENT TECH CO LTD0 citations61
US11357973B2Jun 14, 2022
Neck-hanging massaging device
GUANGDONG SKG INTELLIGENT TECH CO LTD0 citations61
QEEXO CO
3 patentsUS11216638B2Jan 4, 2022
Method and system to prevent identity theft for fingerprint recognition enabled touch screen devices
QEEXO CO2 citations70
US11663850B2May 30, 2023
Method and system to prevent identity theft for fingerprint recognition enabled touch screen devices
QEEXO CO0 citations59
US10942603B2Mar 9, 2021
Managing activity states of an application processor in relation to touch or hover interactions with a touch sensitive device
QEEXO CO0 citations42
GUANGZHOU INSTITUTE OF CANCER RESEARCH THE AFFILIATED CANCER HOSPITAL GUANGZHOU MEDICAL UNIV
2 patentsUS12491334B1Dec 9, 2025
Postoperative anti-infection protective device for urological surgery
GUANGZHOU INSTITUTE OF CANCER RESEARCH THE AFFILIATED CANCER HOSPITAL GUANGZHOU MEDICAL UNIV0 citations40
US12251522B1Mar 18, 2025
Post-operative indwelling urinary catheter suitable for males
GUANGZHOU INSTITUTE OF CANCER RESEARCH THE AFFILIATED CANCER HOSPITAL GUANGZHOU MEDICAL UNIV0 citations39