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DIFF Subgroup
G08G 1/04

using optical or ultrasonic detectors

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Traffic control systems for road vehicles > Detecting movement of traffic to be counted or controlled > using optical or ultrasonic detectors

CPC:

Traffic control systems for road vehicles (arrangement of road signs or traffic signals E01F9/00 ) > Detecting movement of traffic to be counted or controlled (G08G1/07 - G08G1/14 take precedence) > using optical or ultrasonic detectors

No child classifications to compare. This is a leaf node in both 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