is a
Tokyo
Tokyo (; ja, 東京, , ), officially the Tokyo Metropolis ( ja, 東京都, label=none, ), is the capital and largest city of Japan. Formerly known as Edo, its metropolitan area () is the most populous in the world, with an estimated 37.468 ...
-based leading manufacturer, developer and distributor of medical electronic equipment, which include
EEGs,
EMG measuring systems,
ECGs, patient monitors and clinical information systems,
with subsidiaries in the
U.S.
The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., ...
,
Europe
Europe is a large peninsula conventionally considered a continent in its own right because of its great physical size and the weight of its history and traditions. Europe is also considered a Continent#Subcontinents, subcontinent of Eurasia ...
and
Asia
Asia (, ) is one of the world's most notable geographical regions, which is either considered a continent in its own right or a subcontinent of Eurasia, which shares the continental landmass of Afro-Eurasia with Africa. Asia covers an area ...
. The company's products are now used in more than 120 countries, and it is the largest supplier of EEG products worldwide.
In 1972,
Takuo Aoyagi
was a Japanese engineer, known for his work leading to the modern pulse oximeter.
Early life, education and career
Aoyagi was born February 14, 1936, in Niigata Prefecture, Japan. His parents were Monshichi and Tatsu Aoyagi. His father was a ma ...
, a researcher at the company, invented and patented the basic principles of
pulse oximetry
Pulse oximetry is a noninvasive method for monitoring a person's oxygen saturation. Peripheral oxygen saturation (SpO2) readings are typically within 2% accuracy (within 4% accuracy in 95% of cases) of the more accurate (and invasive) reading of ...
. Two years later he developed the world's first
pulse oximeter
Pulse oximetry is a noninvasive method for monitoring a person's oxygen saturation. Peripheral oxygen saturation (SpO2) readings are typically within 2% accuracy (within 4% accuracy in 95% of cases) of the more accurate (and invasive) reading of ...
, which has helped improve patient safety during
anaesthesia
Anesthesia is a state of controlled, temporary loss of sensation or awareness that is induced for medical or veterinary purposes. It may include some or all of analgesia (relief from or prevention of pain), paralysis (muscle relaxation), am ...
.
References
External links
Official website
{{Authority control
Health care companies of Japan
Manufacturing companies based in Tokyo
Companies listed on the Tokyo Stock Exchange
Electronics companies established in 1951
1951 establishments in Japan
Japanese brands