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Inventor

CHANG HAITAO

CN9 patents
⚠️ This page may combine multiple inventors who share the name “CHANG HAITAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DURACELL US OPERATIONS INC

4 patents
US12051797B2Jul 30, 2024

Battery

DURACELL US OPERATIONS INC0 citations62
US11502532B2Nov 15, 2022

Battery

DURACELL US OPERATIONS INC0 citations62
US10916956B2Feb 9, 2021

Battery

DURACELL US OPERATIONS INC0 citations62
US10536016B2Jan 14, 2020

Battery

DURACELL US OPERATIONS INC0 citations51

FUJIAN NANPING NANFU BATTERY

2 patents
US10224582B2Mar 5, 2019

Electrochemical secondary battery having inbuilt charging circuit

FUJIAN NANPING NANFU BATTERY5 citations67
US10026997B2Jul 17, 2018

Secondary electrochemical battery sealing body with packaged chip shielding structure and battery

FUJIAN NANPING NANFU BATTERY4 citations65

FUJIAN NANPING YANPING DISTRICT NANFU NEW ENERGY TECH CO LTD

2 patents
US11121394B1Sep 14, 2021

Rechargeable button cell

FUJIAN NANPING YANPING DISTRICT NANFU NEW ENERGY TECH CO LTD1 citations56
US11850673B2Dec 26, 2023

Button cell and method for welding electrode tabs to a pole shell of the button cell

FUJIAN NANPING YANPING DISTRICT NANFU NEW ENERGY TECH CO LTD0 citations49

POZIN MICHAEL

1 patent
US8304116B2Nov 6, 2012

Battery

POZIN MICHAEL5 citations61