CPC Subgroup
A61B 5/316 Modalities, i.e. specific diagnostic methods
Full Title
Measuring for diagnostic purposes (radiation diagnosis A61B6/00; diagnosis by ultrasonic, sonic or infrasonic waves A61B8/00); Identification of persons > Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof > Modalities, i.e. specific diagnostic methods
5 direct subcodes
Child Classifications
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- A61B 5/318 Heart-related electrical modalities, e.g. electrocardiography [ECG]
- A61B 5/369 Electroencephalography [EEG]
- A61B 5/388 Nerve conduction study, e.g. detecting action potential of peripheral nerves
- A61B 5/389 Electromyography [EMG]
- A61B 5/398 Electrooculography [EOG], e.g. detecting nystagmus; Electroretinography [ERG]
Top Applicants
Top 10 applicants by patent filingsfor class A61, 2013–2023, worldwide · Source: EPO PATSTAT
- PHILIPS ELECTRONICS NL 20,621
- NOVARTIS CH 15,792
- ROCHE CH 14,303
- COVIDIEN US 13,862
- HARVARD UNIVERSITY US 13,454
- UNIVERSITY OF CALIFORNIA US 12,798
- P&G (PROCTER & GAMBLE COMPANY) US 12,140
- L'OREAL FR 11,800
- OLYMPUS CORPORATION JP 9,894
- BOSTON SCIENTIFIC SCIMED US 9,513