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Minebea Mitsumi, Inc.
Native name
Public KK
Traded as TYO: 6479
OSE: 6479
NAG: 6479
Nikkei 225 Component
Industry Machinery
Defense technology
Founded 16 July 1951; 67 years ago (1951-07-16)
Key people
Yoshihisa Kainuma, (CEO and President)

Increase$ 3.002 billion (FY 2012)

(¥ 282,409 billion) (FY 2012)

Decrease$ 19.182 million (FY 2012)

(¥ 1.804 billion) (FY 2012)
Number of employees
53,327 (consolidated) (as of March 31, 2013)
Website Official website
Footnotes / references

Minebea Co., Ltd. (ミネベア株式会社, Minebea Kabushiki-gaisha) or NMB (Nippon Miniature Bearing) is a Japanese multinational corporation and a major producer of machinery components and electronics devices.[2] International Asian business accounts for 80% of Minebea's production and 50% of its sales.

The company as of March 31, 2013 has its 43 consolidated subsidiaries,[1] 31 manufacturing facilities[3] and 43 sales offices. NMB (USA) Inc. is an American holding company that manages Minebea's American subsidiaries.

Minebea shares are listed on the Tokyo Stock Exchange, the Osaka Securities Exchange and the Nagoya Stock Exchange and the company is a constituent of the Nikkei 225 stock index.[4]

Minebea has the world largest shares in 6 product areas such as ball bearings (65%) and pivot assemblies (65%).

Business segments and products[edit]

April 2012 image of Minebea P9 (licence-built SIG Sauer P220) on display during a public event at JGSDF Camp Jinmachi.
April 2012 image of Minebea PM-9 on display during a public event at JGSDF Camp Utsunomiya.
  • Machined components[5]
    • Bearings[6]
    • Bearing-related products: pivot assemblies, precision mechanical assemblies
    • Defense related special components (exclusively to the Japan Ministry of Defense)
    • Fasteners
    • Magnetic clutches and brakes
  • Rotary components[7]
    • Fan motors
    • Blowers
    • Power brushless motors
    • Hybrid type stepping motors
    • Small diameter / High speed PM stepping motors
    • HDD Spindle motors
    • Rotation angle sensors
    • Fan units
  • Electronic devices and components[8]
    • Back light inverters
    • Lighting devices for LCDs
    • LED drivers
    • Measuring components[9]

Minebea also develops and/or produces firearms for the Japanese Self-Defense Forces and the National Police Agency.

In late August 2015, a Minebea product gained an entry in the Guinness World Records for being the smallest commercially available mass-produced steel ball bearing in the world.[10] The product concerned was first introduced in 2009, and is primarily used by domestic watchmakers in a number of high-grade mechanical watches to support delicate axles, instead of traditionally used jewels.

Major shareholders[edit]

(top 10 shareholders, as of September 30, 2013)[11]


  1. ^ a b "Corporate Profile". Minebea. Retrieved April 17, 2014. 
  2. ^ "Company Profile". Reuters. Retrieved April 17, 2014. 
  3. ^ "Manufacturing plants". Minebea. Retrieved April 17, 2014. 
  4. ^ "Components:Nikkei Stock Average". Nikkei Inc. Retrieved April 17, 2014. 
  5. ^ "Machined components". Minebea. Retrieved April 17, 2014. 
  6. ^ "Bearings". Minebea. Retrieved April 17, 2014. 
  7. ^ "Rotary components". Minebea. Retrieved April 17, 2014. 
  8. ^ "Electronic devices and components". Minebea. Retrieved April 17, 2014. 
  9. ^ "Measuring components". Minebea. Retrieved April 17, 2014. 
  10. ^ "Guinness recognizes tiny ball bearing". The Yomiuri Shimbun. 2 September 2015. Retrieved 1 September 2015. 
  11. ^ "Main Shareholders". Minebea. Retrieved April 17, 2014. 

External links[edit]