Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC Subgroup
H01C 17/22

adapted for trimming

Introduced: July 1974

Last revised: January 2006

Full Title

Apparatus or processes specially adapted for manufacturing resistors > adapted for trimming

Classification Context

Section:
ELECTRICITY
Class:
ELECTRIC ELEMENTS
Subclass:
RESISTORS

Filing statistics

IPC H01C 17/22 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

Related Keywords

TRIMMING resistors

5 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • H01C 17/23 by opening or closing resistor tracks of predetermined resistive values
  • H01C 17/232 Adjusting the temperature coefficient; Adjusting value of resistance by adjusting temperature coefficient
  • H01C 17/235 Initial adjustment of potentiometer parts for calibration
  • H01C 17/26 by converting resistive material

Top Applicants

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

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