Development and manufacture of non-invasive patient monitoring technologies such as SET® pulse oximetry, sensors and patient monitors

Masimo Corporation

Irvine, CA (US) · Neuchâtel (CH) · Puchheim (DE)New on Amplifa

1989Founded by Joe Kiani

7,000+Employees worldwide

900+Patents worldwide

200 millionpatients monitored annually with SET®

30+countries with activities

About Masimo

Masimo (NASDAQ: MASI) is an internationally active medical technology company that develops and manufactures non-invasive monitoring technologies, including innovative measurement methods, sensors and patient monitors. Core products are SET® pulse oximetry (Signal Extraction Technology®), rainbow® Pulse CO-Oximetry, SedLine® brain function monitoring, O3® regional oximetry, LiDCO® hemodynamics as well as capnography solutions on the Root® platform. Through the Masimo Hospital Automation™ and Masimo SafetyNet® platforms, the company also offers solutions for connectivity, automation and telemonitoring. The technologies are also used via licensing agreements in devices from Philips, GE Healthcare, Mindray, Spacelabs and Zoll. Masimo was founded in 1989 by Joe Kiani and employs more than 7,000 people worldwide; the global headquarters is located in Irvine, California, and the international headquarters in Neuchâtel (Switzerland). For Germany and Austria, Masimo Deutschland GmbH in Puchheim is responsible. Since 2024/2025, Masimo has been part of Danaher.

Site: Puchheim
Processes: Technical customer service and global repair/depot network, Recycling program for pulse oximetry sensors, Telehealth/telemonitoring (Masimo SafetyNet, Hospital Automation), OEM licensing of the technologies, X-Cal calibration service
Materials: Signal Extraction Technology® (pulse oximetry), rainbow® Pulse CO-Oximetry, Brain Function Monitoring, Regional Oximetry, Capnography, Hemodynamic Monitoring
Certificates: Global Compliance Program (Code of Conduct, AdvaMed/MedTech Europe), ISO 9001
Founded: 1989
Employees: 7000+ (worldwide)
Industries: Medical technology, Healthcare (hospitals, ICUs, OR, neonatology), Home care, Animal health

01
Research and Development
02
Sensor and Device Development
03
Production
04
Sales and OEM Licensing
05
Technical Customer Service and Global Repair/Depot Network
06
Recycling Program for Pulse Oximetry Sensors

Technologies and Measurement Methods

SET®

Signal Extraction Technology® (pulse oximetry)

Adaptive signal processing for accurate SpO2 and pulse rate measurement during motion and low perfusion.

rainbow®

rainbow® Pulse CO-Oximetry

Multi-wavelength measurement of SpHb®, SpCO®, SpMet®, ORi™ and other hemoglobin-related parameters.

SedLine®

Brain Function Monitoring

Bilateral EEG with Patient State Index (PSi) for sedation monitoring.

O3®

Regional Oximetry

Non-invasive, continuous monitoring of oxygen saturation of cerebral and somatic tissue.

NomoLine®

Capnography

Sidestream and mainstream capnography solutions for ventilation and gas monitoring.

LiDCO®

Hemodynamic Monitoring

Minimally invasive beat-to-beat determination of cardiac output with PulseCO™ technology.

Locations

Irvine, CA

Global Headquarters

Solar panels at headquarters for the use of renewable energy

Neuchâtel

International Headquarters (Masimo International Sàrl)

Puchheim

Masimo Deutschland GmbH, sales office for Germany and Austria

Products and Sensors

**RD SET® Pulse Oximetry Sensor**Single-patient sensor · hospital and home care

**SedLine® Brain Function Monitoring Sensor**Forehead sensor (EEG) · anesthesia/OR

**RAM® Respiratory Rate Sensor**Acoustic respiratory rate monitoring (RRa®) · hospital

**Root® Monitor with Capnography**Patient monitoring platform · intensive care

**O3® Regional Oximetry**Tissue oximetry · perioperative care

**LiDCO® Hemodynamic Monitoring**Cardiac output monitoring · operating room

**NomoLine® Capnography**Sampling lines · ventilation monitoring

Inside the production

Patient monitoring in the intensive care unit

Non-invasive monitoring of blood pressure and temperature

Industries

Medical technologyHealthcare (hospitals, ICUs, OR, neonatology)Home careAnimal health

Additional services

Technical customer service and global repair/depot networkRecycling program for pulse oximetry sensorsTelehealth/telemonitoring (Masimo SafetyNet, Hospital Automation)OEM licensing of the technologiesX-Cal calibration service

Reference customers

PhilipsAtomMindray North AmericaGE HealthcareSpacelabsZoll (licensee of the monitoring technologies)Top-10 US hospitals (Newsweek 2024-2025) as SET® users

Quality and Compliance

Masimo maintains a global compliance program with a code of conduct, AdvaMed and MedTech Europe codes, and a whistleblower hotline; an Executive Vice President position is responsible for quality and regulatory affairs. Certificates such as ISO standards are not individually listed in the evaluated sources.

Evidence	Irvine, CA	Neuchâtel	Puchheim
Global Compliance Program (Code of Conduct, AdvaMed/MedTech Europe)
ISO 9001

Company History

1989
Masimo founded by Joe Kiani as a private "garage startup"
1996
Introduction of Signal Extraction Technology® (SET®), the first Measure-through Motion and Low Perfusion™ pulse oximetry
2005
Introduction of rainbow® technology for non-invasive monitoring of additional parameters
2024
Masimo becomes part of Danaher