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6645 on Tokyo Stock Exchange

Omron

Logo: Unknown author Unknown author, Public domain, via Wikimedia Commons4

Japanese electronics company

Omron Corporation (オムロン株式会社, Omuron Kabushiki-gaisha), styled as OMRON, is a Japanese electronics company based in Kyoto, Japan. Omron was established by Kazuma Tateishi (立石一真) in 1933 (as the Tateisi Electric Manufacturing Company) and incorporated in 1948. The company originated in an area of Kyoto called "Omuro (御室)"(ja), from which the name "Omron" was derived.2 It employed about 30,000 people.1 Its shares trade on Tokyo Stock Exchange under the symbol 6645.1 Wikipedia text CC BY-SA 4.0

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Last updated Oct 21, 2026.

Overview

1933Founded1

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  • Ticker6645 on Tokyo Stock Exchange1
  • Industryelectronics industry1
  • HeadquartersShimogyō-ku1
  • Founded inOsaka1
  • Websitewww.omron.co.jp
  • Legal formkabushiki gaisha1
  • LEI549300ZHW0TR2QZ0NY833
  • StatusActive3
  • LEI statusIssued and current3
  • Registered address塩小路通堀川東入南不動堂町801番地, 600-8530 京都府 京都市下京区, Japan3
  • Registered withLegal Affairs Bureau, 1300-01-0168243

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1970s solar power calculator Omron 8202 by Omron Tateisi Electronics Japan
Photo: R. Henrik Nilsson, CC BY 4.0, via Wikimedia Commons6

Omron Corporation (オムロン株式会社, Omuron Kabushiki-gaisha), styled as OMRON, is a Japanese electronics company based in Kyoto, Japan. Omron was established by Kazuma Tateishi (立石一真) in 1933 (as the Tateisi Electric Manufacturing Company) and incorporated in 1948.2

Corporate structure

Omron sits at the top of its group. 3 entities, 2 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

  • Omron 京都府 京都市下京区, Japan
    • OMRON ELECTRONICS LLC Subsidiary · Hoffman Estates, Illinois, United States
    • OMRON MANAGEMENT CENTER OF AMERICA, INC. Subsidiary · Hoffman Estates, Illinois, United States

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0). Each entity in the chart links to its source.

Products and brands

Industrial automation: Omron Adept industrial robots, sensors, switches, industrial cameras, safety components, relays, control components, electric power monitoring equipment, power supplies and programmable logic controllers

Electronic components: relays, switches, connectors, micro sensing devices, MEMS sensors, image sensing technologies,

Social systems: access control systems (building entry systems), road management systems, traffic signal controllers, security/surveillance cameras, automated ticket gates, ticket vending machines, fare adjustment machines

Healthcare - Omron develops and produces medical devices for homes and medical facilities, health management software, and health improvement services.

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Personal use (home healthcare): blood pressure monitors, digital thermometers, body composition monitors, pedometers, nebulizers. Omron has achieved more than 200 million Blood Pressure Monitors sold worldwide, making Omron the world leader in Electronic Blood Pressure Monitors.

Professional use: blood pressure monitors, non-invasive vascular monitors, portable ECGs, patient monitors

Other businesses

Power distribution and controls for drilling rigs

Environmental sensors

Electronic controls and automation for detention center systems

From Wikipedia’s article on Omron, shared under CC BY-SA 4.0.5

Timeline

  1. 1933Founded Founded in Osaka1

Sources

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