Inventor

Haitao Chang

Inventor
Nanping, CN

Overview

5→
Patents
2012–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 5 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 energy29%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution29%
H02JElectric power networks14%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems7%
H05KPrinted circuits7%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications7%
Y10TTechnical subjects covered by former us classification7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012Patents assigned to BERKOWITZ FRED J (1)· patent assignee history
2012Patents assigned to CHANG HAITAO (1)· patent assignee history
2012–2020Based in Nanping, CN· patent location history
2018–2019Patents assigned to FUJIAN NANPING NANFU BATTERY (2)· patent assignee history
2018–2019Based in Fujian, CN· patent location history
2020Patents assigned to DURACELL US OPERATIONS INC (1)· patent assignee history
2021Patents assigned to CHICONY POWER TECH CO LTD (1)· patent assignee history
2021Based in New Taipei, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJIAN NANPING NANFU BATTERY22018–2019
BERKOWITZ FRED J12012
CHANG HAITAOself12012
CHICONY POWER TECH CO LTD12021
DURACELL US OPERATIONS INC12020
Locations
LocationPatentsSpan
Nanping, CN22012–2020
Fujian, CN22018–2019
New Taipei, TW12021