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DIFF Subgroup
G08C 19/02

in which the signal transmitted is magnitude of current or voltage (G08C19/36, G08C19/38 take precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: in which the signal transmitted is magnitude of current or voltage

CPC: in which the signal transmitted is magnitude of current or voltage (G08C19/36, G08C19/38 take precedence)

Full Title

Full titles differ between systems:

IPC:

Electric signal transmission systems > in which the signal transmitted is magnitude of current or voltage

CPC:

Electric signal transmission systems (G08C17/00 takes precedence) > in which the signal transmitted is magnitude of current or voltage (G08C19/36, G08C19/38 take precedence)

Of 4 combined children, 3 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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  • G08C 19/025 CPC only CPC only
  • G08C 19/04 using variable resistance IPC+CPC Available in IPC and CPC
  • G08C 19/10 using variable capacitance IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class G08,2013–2023, worldwide · Source: EPO PATSTAT

  1. TOYOTA MOTOR CORPORATION 6,781
  2. SGCC(STATE GRID CORPORATION OF CHINA) 5,954
  3. ROBERT BOSCH DE 3,656
  4. DENSO CORPORATION 3,452
  5. HONDA MOTOR COMPANY 2,945
  6. DENSO CORPORATION JP 2,562
  7. HONEYWELL INTERNATIONAL US 2,517
  8. TOYOTA MOTOR CORPORATION JP 2,435
  9. FORD GLOBAL TECHNOLOGIES US 2,239
  10. PANASONIC INTELLECTUAL PROPERTY 2,119

Top Applicants (CPC)

Class G08,2013–2023, worldwide · Source: EPO PATSTAT

  1. ROBERT BOSCH DE 3,999
  2. TOYOTA MOTOR CORPORATION 3,488
  3. TOYOTA MOTOR CORPORATION JP 3,377
  4. FORD GLOBAL TECHNOLOGIES US 3,103
  5. DENSO CORPORATION JP 2,964
  6. HONEYWELL INTERNATIONAL US 2,873
  7. HYUNDAI MOTOR COMPANY KR 2,343
  8. NISSAN MOTOR COMPANY JP 2,265
  9. SGCC(STATE GRID CORPORATION OF CHINA) 2,247
  10. SAMSUNG ELECTRONICS COMPANY KR 2,132