A61B 5/30 Input circuits therefor
Introduced: January 2021
Full Title
Full titles differ between systems:
Measuring for diagnostic purposes; Identification of persons > Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof > Input circuits therefor
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 > Input circuits therefor
Of 6 combined children, 5 exist in both systems.
1 codes are CPC-only extensions.
IPC defines codes here since 2021.
Child Classifications
Navigate with arrow keys, Enter to open
- A61B 5/301 providing electrical separation, e.g. by using isolating transformers or optocouplers since 2021 IPC+CPC Available in IPC and CPC
- A61B 5/302 for capacitive or ionised electrodes, e.g. metal-oxide-semiconductor field-effect transistors [MOSFET] since 2021 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class A61,2013–2023, worldwide · Source: EPO PATSTAT
- PHILIPS ELECTRONICS NL 18,523
- NOVARTIS CH 14,253
- COVIDIEN US 13,953
- ROCHE CH 12,005
- CHINESE ACADEMY OF SCIENCES 11,955
- UNIVERSITY OF CALIFORNIA US 11,692
- HARVARD UNIVERSITY US 11,596
- L'OREAL FR 11,593
- P&G (PROCTER & GAMBLE COMPANY) US 11,297
- OLYMPUS CORPORATION JP 9,594
Top Applicants (CPC)
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