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PCE
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DIFF Subgroup
F21L 4/04

characterised by the provision of a light source housing portion adjustably fixed to the remainder of the device

Introduced: January 2000

Title

Titles differ between systems:

IPC: characterised by provision of a light source housing portion adjustably fixed to the remainder of the device

CPC: characterised by the provision of a light source housing portion adjustably fixed to the remainder of the device

Full Title

Full titles differ between systems:

IPC:

Electric lighting devices with self-contained electric batteries or cells > characterised by provision of a light source housing portion adjustably fixed to the remainder of the device

CPC:

Electric lighting devices with self-contained electric batteries or cells > characterised by the provision of a light source housing portion adjustably fixed to the remainder of the device

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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Top Applicants

Top Applicants (IPC)

Class F21,2013–2023, worldwide · Source: EPO PATSTAT

  1. PANASONIC INTELLECTUAL PROPERTY 3,883
  2. VALEO VISION FR 2,797
  3. KOITO MANUFACTURING COMPANY 2,531
  4. OPPLE LIGHTING COMPANY 2,343
  5. SIGNIFY HOLDING NL 2,275
  6. TOSHIBA LIGHTING & TECHNOLOGY CORPORATION 1,982
  7. KOITO MANUFACTURING COMPANY JP 1,766
  8. LG INNOTEK COMPANY KR 1,651
  9. SUZHOU OPPLE LIGHTING COMPANY 1,633
  10. MITSUBISHI ELECTRIC CORPORATION 1,591

Top Applicants (CPC)

Class F21,2013–2023, worldwide · Source: EPO PATSTAT

  1. VALEO VISION FR 2,820
  2. SIGNIFY HOLDING NL 2,374
  3. KOITO MANUFACTURING COMPANY JP 1,890
  4. KOITO MANUFACTURING COMPANY 1,722
  5. LG INNOTEK COMPANY KR 1,624
  6. OSRAM DE 1,507
  7. LG ELECTRONICS KR 1,458
  8. PANASONIC INTELLECTUAL PROPERTY JP 1,433
  9. ZUMTOBEL LIGHTING AT 1,349
  10. PANASONIC INTELLECTUAL PROPERTY 1,275