Details

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:: ELECTRICITY
Class:: ELECTRIC ELEMENTS
Subclass:: RESISTORS

Filing statistics

IPC H01C 1/00 belongs to the parent subclass H01C, which recorded 23,697 patent applications worldwide between 2013 and 2023. Annual filings grew from 1,605 in 2013 to 2,259 in 2023 (+41%), peaking at 2,514 applications in 2020. 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

8 direct subcodes

Child Classifications

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H01C 1/01 Mounting; Supporting
H01C 1/02 Housing; Enclosing; Embedding; Filling the housing or enclosure
H01C 1/04 Arrangements of distinguishing marks, e.g. colour coding
H01C 1/06 Electrostatic or electromagnetic shielding arrangements
H01C 1/08 Cooling, heating or ventilating arrangements
H01C 1/12 Arrangements of current collectors
H01C 1/14 Terminals or tapping points specially adapted for resistors; Arrangements of terminals or tapping points on resistors
H01C 1/16 Resistor networks not otherwise provided for

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