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IPC Subgroup
H04N 23/1

for generating image signals from different wavelengths

Introduced: January 2023

Full Title

Cameras or camera modules comprising electronic image sensors; Control thereof > for generating image signals from different wavelengths

Classification Context

Section:
ELECTRICITY
Class:
ELECTRIC COMMUNICATION TECHNIQUE
Subclass:
PICTORIAL COMMUNICATION, e.g. TELEVISION

4 direct subcodes

Child Classifications

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  • H04N 23/11 for generating image signals from visible and infrared light wavelengths
  • H04N 23/12 with one sensor only
  • H04N 23/17 using opto-mechanical scanning means only

Top Applicants

Top 10 applicants by patent filingsfor class H04, 2013–2023, worldwide · Source: EPO PATSTAT

  1. QUALCOMM US 97,396
  2. HUAWEI TECHNOLOGIES COMPANY CN 96,502
  3. SAMSUNG ELECTRONICS COMPANY KR 86,981
  4. TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 55,869
  5. HUAWEI TECHNOLOGIES COMPANY 55,349
  6. LG ELECTRONICS KR 53,649
  7. CANON 33,341
  8. SONY CORPORATION JP 32,761
  9. ZTE CORPORATION CN 32,274
  10. GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION 28,327