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Inventor

HAITAO CHANG

Inventor
CN

Overview

3→
Patents
2022–2024
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H01Mprimary
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy33%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution33%
H02JElectric power networks22%
B23KSoldering or unsoldering11%
PatentTitleYear
12,051,797Battery202411,850,673Button cell and method for welding electrode tabs to a pole shell of the button cell202311,502,532Battery2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2024Patents assigned to DURACELL US OPERATIONS INC (2)· patent assignee history
2022–2024Based in CN· patent location history
2023Patents assigned to FUJIAN NANPING YANPING DISTRICT NANFU NEW ENERGY TECH CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DURACELL US OPERATIONS INC22022–2024
FUJIAN NANPING YANPING DISTRICT NANFU NEW ENERGY TECH CO LTD12023
Locations
LocationPatentsSpan
CN32022–2024