A61N 1/36 for stimulation
Introduced: September 1968
Title
Titles differ between systems:
IPC: for stimulation, e.g. heart pace-makers
CPC: for stimulation
Full Title
Full titles differ between systems:
Electrotherapy; Circuits therefor > Applying electric currents by contact electrodes > alternating or intermittent currents > for stimulation, e.g. heart pace-makers
Electrotherapy; Circuits therefor (A61N2/00 takes precedence; irradiation apparatus A61N5/00) > Applying electric currents by contact electrodes > alternating or intermittent currents > for stimulation
CPC subdivides this area 6x more granularly than IPC with 10 additional codes.
10 codes are CPC-only extensions.
1 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1985.
Child Classifications
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- A61N 1/362 Heart stimulators (heart defibrillators A61N1/39) since 1985 +5 CPC IPC+CPC Available in IPC and CPC
- A61N 1/372 Arrangements in connection with the implantation of stimulators since 1985 +3 CPC 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