Secondary cells; Manufacture thereof

Introduced: July 1974

Last revised: January 2006

Classification Context

Section:: ELECTRICITY
Class:: ELECTRIC ELEMENTS
Subclass:: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY

Filing statistics

IPC H01M 10/00 belongs to the parent subclass H01M, which recorded 862,000 patent applications worldwide between 2013 and 2023. Annual filings grew from 44,284 in 2013 to 137,515 in 2023 (+211%). The most active applicants in class H01 are TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY (43,574 applications), SAMSUNG ELECTRONICS COMPANY (42,206 applications) and LG CHEM (21,383 applications).

Source: EPO PATSTAT, worldwide filings

Additional Content

Secondary cells secondary cell accumulators receiving and supplying electrical energy by means of reversible electrochemical reactions

Related Keywords

electric ACCUMULATOR(S) [= secondary batteries]

11 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

H01M 10/02 Details
H01M 10/04 Construction or manufacture in general
H01M 10/05 Accumulators with non-aqueous electrolyte
H01M 10/06 Lead-acid accumulators
H01M 10/2 Semi-lead accumulators, i.e. accumulators in which only one electrode contains lead
H01M 10/24 Alkaline accumulators
H01M 10/34 Gastight accumulators
H01M 10/36 Accumulators not provided for in groups
H01M 10/42 Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 10/54 Reclaiming serviceable parts of waste accumulators
H01M 10/6 Heating or cooling; Temperature control

Top Applicants

Top 10 applicants by patent filingsfor class H01, 2013–2023, worldwide · Source: EPO PATSTAT

TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 43,574
SAMSUNG ELECTRONICS COMPANY KR 42,206
LG CHEM KR 21,383
APPLIED MATERIALS US 20,441
LG ENERGY SOLUTION KR 20,279
SAMSUNG DISPLAY KR 19,725
CHINESE ACADEMY OF SCIENCES 19,400
TOYOTA MOTOR CORPORATION 18,819
SGCC(STATE GRID CORPORATION OF CHINA) 18,082
TOKYO ELECTRON JP 17,634