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6963 on Tokyo Stock Exchange

Rohm

Logo: ROHM Ltd., Public domain, via Wikimedia Commons4

Japanese information technology company

Rohm Semiconductor (ローム株式会社, Rōmu Kabushiki-gaisha) (styled as ROHM) is a Japanese electronic parts manufacturer based in Kyoto, Japan. Rohm was incorporated as Toyo Electronics Industry Corporation by Kenichiro Sato (佐藤 研一郎) on September 17, 1958. The company was originally called R.ohm, which was derived from R for resistors, the original product, plus ohm, the unit of measure for resistance.2 Its shares trade on Tokyo Stock Exchange under the symbol 6963.1 Wikipedia text CC BY-SA 4.0

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Last updated Oct 21, 2026.

Overview

1958Founded1

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  • Ticker6963 on Tokyo Stock Exchange1
  • Industryelectronics1
  • HeadquartersUkyō Ward1
  • Founded inKyoto1
  • Websitewww.rohm.co.jp
  • Legal formkabushiki gaisha1
  • Listed onOTC Markets Group (ROHCF), Tokyo Stock Exchange (6963)1
  • LEI5493009V2FGDEP7JFE593
  • StatusActive3
  • LEI statusIssued and current3
  • Registered address右京区西院溝崎町21, 615-8585 京都府 京都市, Japan3
  • Registered withLegal Affairs Bureau, 1300-01-0000523

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Illuminated white and purple facade of the office building Rohm Semiconductor in Kyoto, Japan
Photo: Basile Morin, CC BY-SA 4.0, via Wikimedia Commons6

Rohm Semiconductor (ローム株式会社, Rōmu Kabushiki-gaisha) (styled as ROHM) is a Japanese electronic parts manufacturer based in Kyoto, Japan. Rohm was incorporated as Toyo Electronics Industry Corporation by Kenichiro Sato (佐藤 研一郎) on September 17, 1958.2

Corporate structure

Rohm sits at the top of its group. 5 entities, 3 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

  • Rohm 京都府 京都市, Japan

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

Products and brands

Rohm produces a range of products such as power stage ICs aimed at power supplies, CMOS operational amplifier used to boost sensor-signals as well as Hall-effect sensors. The company also sells DC to DC controller ICs, current sensor ICs and AC to DC converters.

FeRAM and other LSI integrated circuits are designed and manufactured by the Lapis Semiconductor division of Rohm,

formerly OKI Semiconductor, a division of Oki Electric.

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

Subsidiaries and ownership

Subsidiaries

From Wikidata.1

Acquisitions

  1. 1970Acquired Exar Corporation1

Timeline

  1. Nov 1, 1983Went public Listed on Tokyo Stock Exchange1
  2. 1958Founded Founded in Kyoto1

Sources

The numbers on this page point here. Each one links to the record it came from.

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