A&D (which stands for Analog & Digital) which was founded in Japan in 1977 and is a global corporation with distribution, sales, and marketing around the world along with, manufacturing facilities in Japan, China, Australia and Korea. A&D is located in San Jose, California and directly serves the North, South and Central American markets.

A&D’s technology in analog and digital conversion and sensors has enabled the company to become a leading provider of blood pressure monitors to both the professional and consumer markets. Through other key acquisitions, today A&D has also become a major manufacturer of measurement and control equipment, contributing to the development of industry and healthy living.