IPC Subgroup
A61B 5/1464 specially adapted for foetal tissue
Introduced: January 2006
Full Title
Measuring for diagnostic purposes; Identification of persons > Measuring characteristics of blood , e.g. gas concentration or pH-value > using optical sensors, e.g. spectral photometrical oximeters > specially adapted for foetal tissue
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- MEDICAL OR VETERINARY SCIENCE; HYGIENE
- Subclass:
- DIAGNOSIS; SURGERY; IDENTIFICATION
Top Applicants
Top 10 applicants by patent filingsfor 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