Inventor

WANG KEFEI

CN55 patents

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

NINGDE AMPEREX TECHNOLOGY LTD

45 patents

US10833363B2Nov 10, 2020

Electrolyte and electrochemical device

NINGDE AMPEREX TECHNOLOGY LTD11 citations94

US11024884B2Jun 1, 2021

Electrolyte and electrochemical device comprising the same

NINGDE AMPEREX TECHNOLOGY LTD3 citations84

US12183884B2Dec 31, 2024

Electrolyte and electrochemical device

NINGDE AMPEREX TECHNOLOGY LTD0 citations73

US12040449B2Jul 16, 2024

Electrolyte and electrochemical device

NINGDE AMPEREX TECHNOLOGY LTD0 citations73

US12027667B2Jul 2, 2024

Electrolyte and electrochemical device

NINGDE AMPEREX TECHNOLOGY LTD0 citations73

US11901513B2Feb 13, 2024

Electrolyte and electrochemical device comprising the same

NINGDE AMPEREX TECHNOLOGY LTD2 citations73

US11799131B2Oct 24, 2023

Electrolyte and electrochemical device

NINGDE AMPEREX TECHNOLOGY LTD1 citations73

US11799130B2Oct 24, 2023

Electrolyte and electrochemical device

NINGDE AMPEREX TECHNOLOGY LTD0 citations73

US11769910B2Sep 26, 2023

Electrolyte and electrochemical device

NINGDE AMPEREX TECHNOLOGY LTD1 citations73

US11527776B2Dec 13, 2022

Electrolyte and electrochemical device

NINGDE AMPEREX TECHNOLOGY LTD0 citations73

US11522222B2Dec 6, 2022

Electrolyte and electrochemical device

NINGDE AMPEREX TECHNOLOGY LTD0 citations73

US10790513B2Sep 29, 2020

Lithium ion battery and negative electrode thereof

NINGDE AMPEREX TECHNOLOGY LTD4 citations73

US10955484B2Mar 23, 2021

Battery state monitoring method and apparatus

NINGDE AMPEREX TECHNOLOGY LTD6 citations71

US11664501B2May 30, 2023

Electrode assembly and secondary battery having a protective layer therein

NINGDE AMPEREX TECHNOLOGY LTD0 citations63

US10971706B2Apr 6, 2021

Electrode assembly

NINGDE AMPEREX TECHNOLOGY LTD0 citations63

US12537184B2Jan 27, 2026

Electrochemical device and electronic device

NINGDE AMPEREX TECHNOLOGY LTD0 citations62

US12407022B2Sep 2, 2025

Electrolyte and electrochemical device

NINGDE AMPEREX TECHNOLOGY LTD0 citations62

US12300787B2May 13, 2025

Electrolyte and electrochemical device including the same

NINGDE AMPEREX TECHNOLOGY LTD0 citations62

US12176486B2Dec 24, 2024

Electrolyte and electrochemical device

NINGDE AMPEREX TECHNOLOGY LTD0 citations62

US12176487B2Dec 24, 2024

Electrolyte and electrochemical device

NINGDE AMPEREX TECHNOLOGY LTD0 citations62

US12148876B2Nov 19, 2024

Electrochemical apparatus and electronic apparatus

NINGDE AMPEREX TECHNOLOGY LTD0 citations62

US12125983B2Oct 22, 2024

Electrolyte and electrochemical device including the same

NINGDE AMPEREX TECHNOLOGY LTD0 citations62

US12125982B2Oct 22, 2024

Electrolyte and electrochemical device comprising the same

NINGDE AMPEREX TECHNOLOGY LTD0 citations62

US12107220B2Oct 1, 2024

Electrolyte and electrochemical device

NINGDE AMPEREX TECHNOLOGY LTD0 citations62

US12107221B2Oct 1, 2024

Electrolyte and electrochemical device

NINGDE AMPEREX TECHNOLOGY LTD0 citations62

US12046718B2Jul 23, 2024

Battery cell and lithium ion battery

NINGDE AMPEREX TECHNOLOGY LTD0 citations62

US11984556B2May 14, 2024

Electrolyte and electrochemical device

NINGDE AMPEREX TECHNOLOGY LTD0 citations62

US11978902B2May 7, 2024

Anode and method for preparing the same

NINGDE AMPEREX TECHNOLOGY LTD0 citations62

US11949108B2Apr 2, 2024

Lithium ion battery and negative electrode thereof

NINGDE AMPEREX TECHNOLOGY LTD0 citations62

US11888120B2Jan 30, 2024

Electrolyte and electrochemical device comprising the same

NINGDE AMPEREX TECHNOLOGY LTD0 citations62

US11784306B2Oct 10, 2023

Negative electrode, electrochemical device, and electronic device

NINGDE AMPEREX TECHNOLOGY LTD0 citations62

US11349124B2May 31, 2022

Electrochemical device

NINGDE AMPEREX TECHNOLOGY LTD0 citations62

US11258097B2Feb 22, 2022

Electrolyte and lithium-ion battery containing the same

NINGDE AMPEREX TECHNOLOGY LTD1 citations62

US11158844B2Oct 26, 2021

Shared electrode segments between a step cell and a main cell of a stepped battery

NINGDE AMPEREX TECHNOLOGY LTD0 citations62

US12206114B2Jan 21, 2025

Electrochemical device and electronic device including same

NINGDE AMPEREX TECHNOLOGY LTD0 citations61

US10658644B2May 19, 2020

Battery

NINGDE AMPEREX TECHNOLOGY LTD1 citations58

US12255334B2Mar 18, 2025

Electrochemical device and electronic device

NINGDE AMPEREX TECHNOLOGY LTD0 citations52

US12191442B2Jan 7, 2025

Electrochemical device and electronic device including same

NINGDE AMPEREX TECHNOLOGY LTD0 citations52

US12170363B2Dec 17, 2024

Positive active material and lithium-ion battery

NINGDE AMPEREX TECHNOLOGY LTD0 citations52

US11658344B2May 23, 2023

Wound-type electrode assembly

NINGDE AMPEREX TECHNOLOGY LTD0 citations52

US11380964B2Jul 5, 2022

Wound electrode assembly

NINGDE AMPEREX TECHNOLOGY LTD0 citations52

US10833365B2Nov 10, 2020

Electrolyte and lithium-ion battery containing the same

NINGDE AMPEREX TECHNOLOGY LTD0 citations52

US12160000B2Dec 3, 2024

Electrochemical device and electronic device including same

NINGDE AMPEREX TECHNOLOGY LTD0 citations50

US11611111B2Mar 21, 2023

Wound-type battery cell

NINGDE AMPEREX TECHNOLOGY LTD0 citations47

US10651511B2May 12, 2020

Wound cell having single-side coated areas

NINGDE AMPEREX TECHNOLOGY LTD0 citations41

LI YONG

2 patents

US9398797B2Jul 26, 2016

Nail gauge measuring nail shape and nail arc length

LI YONG6 citations70

US9227359B2Jan 5, 2016

System and method for manufacturing custom-fit three-dimensional artificial nails

LI YONG2 citations59

HINKLEY RICHARD EDWARD

1 patent

US9898560B2Feb 20, 2018

System and method for flexible and efficient simulation of varying fracture density in a reservoir simulator

HINKLEY RICHARD EDWARD5 citations61

NINGDE CONTEMPORARY AMPEREX TECH LIMITED

1 patent

US10008744B2Jun 26, 2018

Lithium ion battery and electrolyte thereof

NINGDE CONTEMPORARY AMPEREX TECH LIMITED1 citations50

DONGGUAN AMPEREX TECH LTD

1 patent

US10388935B2Aug 20, 2019

Electrode tab structure and battery

DONGGUAN AMPEREX TECH LTD0 citations49

Showing the top 50 of 55 patents by PatentIndex Score.