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ROHM Co., Ltd.
Native name
Public KK
Traded as TYO: 6963
OSE: 6963
Industry Electronics
Founded Kyoto, Japan (September 17, 1958 (1958-09-17))
Founder Kenichiro Sato
Headquarters 21 Saiin Mizosaki-cho, Ukyo-ku, Kyoto 615-8585 Japan
Area served
Key people
Satoshi Sawamura, (CEO and President)
Revenue Decrease ¥ 352,010 million (FY 2017)[1] (¥ 352,369 million) (FY 2016)
Increase ¥ 31,828 million (FY 2017) (¥ 25,686 million) (FY 2016)
Increase ¥ 26,450 million (FY 2017) (¥ 25,702 million) (FY 2016)
Total assets Increase ¥ 834,503 million (FY 2017) (¥ 804,134 million) (FY 2016)
Total equity Increase ¥ 725,453 million (FY 2017) (¥ 706,251 million) (FY 2016)
Number of employees
21,308 (as of March 31, 2017)
Website Official website
Footnotes / references

ROHM Semiconductor (ローム株式会社, Rōmu Kabushiki-gaisha) 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 initially known as R.ohm,[citation needed] which was derived from R for resistors, the original product, plus ohm, the unit of measure for resistance.

The name of the company was officially changed to ROHM in 1979 and then changed again to ROHM Semiconductor in January 2009.

When ROHM was established, resistors were its main product. Later, the company began manufacturing semiconductors. ICs and discrete semiconductors now account for about 80% of ROHM's revenue.

Through 2012, ROHM was among the top 20 semiconductor sales leaders.


  1. ^ "Annual Report 2017" (PDF). Retrieved February 20, 2018.
  2. ^ "Corporate Data". Retrieved March 27, 2014.

External links

  • Official website (in English)
  • Welcome to ROHM Semiconductor GmbH (Europe)
  • Welcome to ROHM Semiconductor USA, LLC

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