IPC Main Group
H01C 10/00 Adjustable resistors
Introduced: July 1974
Last revised: January 2006
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- RESISTORS
Filing statistics
IPC H01C 10/00 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
14 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- H01C 10/02 Liquid resistors
- H01C 10/04 with specified mathematical relationship between movement of resistor actuating means and value of resistance, other than direct proportional relationship
- H01C 10/06 adjustable by short-circuiting different amounts of the resistive element
- H01C 10/1 adjustable by mechanical pressure or force
- H01C 10/14 adjustable by auxiliary driving means
- H01C 10/16 including plural resistive elements
- H01C 10/22 resistive-element dimensions changing gradually in one direction, e.g. tapered resistive element
- H01C 10/23 resistive-element dimensions changing in a series of discrete, progressive steps
- H01C 10/24 the contact moving along turns of a helical resistive element, or
- H01C 10/26 resistive element moving
- H01C 10/28 the contact rocking or rolling along resistive element or taps
- H01C 10/3 the contact sliding along resistive element
- H01C 10/46 Arrangements of fixed resistors with intervening connectors, e.g. taps
- H01C 10/5 structurally combined with switching arrangement
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