ArrowArtboardCreated with Sketch.Title ChevronTitle ChevronIcon FacebookIcon LinkedinIcon Mail ContactPath LayerIcon MailPositive ArrowIcon PrintIcon Twitter
Producer Manufacturing


Business Summary

NGK SPARK PLUG CO., LTD. engages in the manufacture and sale of spark plugs, technical ceramics, and related products for internal combustion engines. It operates through the following segments: Automotive, Technical Ceramics, and Others. The Automotive segment deals with the manufacture and sale of spark plugs, glow plugs, automotive sensors, ceramic engine parts, and other automotive components. The Technical Ceramics segment handles both semiconductor and ceramics divisions that manufacture and sell semiconductors, various device packages, multi-layer circuit boards, cutting tools, industrial equipment parts, and semiconductor manufacturing equipment items. The Others segment includes environmental energy and medical fields, material sales, and welfare services. The company was founded on October 26, 1936 and is headquartered in Nagoya, Japan.

Financial Highlights

Mar 2022 JPYUSD
Gross Profit150,017M1,334.99M
Operating income63,078M561.32M
Income before tax82,645M735.45M
Net income60,200M535.71M
Diluted EPS296.032.63
Dividends Per Share1020.90
Total Assets823,181M6,782.13M
Total liabilities305,191M2,514.44M
Total equity514,317M4,237.42M
Operating cash flow71,910M639.92M
Currency in JPYCurrency in USD

Historical Data

 Mar 2018Mar 2019Mar 2020Mar 2021Mar 2022
Revenue 409,912M 425,109M 426,073M 427,546M 491,733M
Gross Profit 139,322M 135,732M 128,272M 124,713M 150,017M
Operating income 67,281M 56,261M 46,489M 46,886M 63,078M
Income before tax 60,098M 56,649M 44,749M 50,913M 82,645M
Net income 44,336M 40,515M 33,698M 38,366M 60,200M
EBITDA 88,354M 82,885M 78,441M 81,586M 101,018M
Diluted EPS 209.36 194.54 163.05 188.59 296.03
Dividends Per Share 60 70 70 60 102
Total Assets 599,972M 651,929M 663,374M 771,293M 823,181M
Total liabilities 211,854M 242,684M 263,043M 319,665M 305,191M
Total equity 385,661M 407,427M 395,876M 448,831M 514,317M
Operating cash flow 65,707M 46,430M 59,787M 63,397M 71,910M
 Mar 2018Mar 2019Mar 2020Mar 2021Mar 2022
Revenue 3,698.48M 3,833.44M 3,918.78M 4,031.26M 4,375.91M
Gross Profit 1,257.05M 1,223.97M 1,179.77M 1,175.90M 1,334.99M
Operating income 607.05M 507.33M 427.58M 442.08M 561.32M
Income before tax 542.24M 510.83M 411.57M 480.05M 735.45M
Net income 400.02M 365.34M 309.93M 361.74M 535.71M
EBITDA 797.18M 747.42M 721.45M 769.26M 898.95M
Diluted EPS 1.88 1.75 1.49 1.77 2.63
Dividends Per Share 0.54 0.63 0.64 0.56 0.90
Total Assets 5,641.48M 5,889.94M 6,144.91M 6,980.02M 6,782.13M
Total liabilities 1,992.04M 2,192.56M 2,436.59M 2,892.89M 2,514.44M
Total equity 3,626.33M 3,680.95M 3,667.04M 4,061.81M 4,237.42M
Operating cash flow 592.84M 418.68M 549.88M 597.76M 639.92M

Valuation Measures

Mar 2022
Operating margin12.82%
Profit margin12.24%

Key executives

  • President & Representative Director: Takeshi Kawai
  • Executive Officer, Head-Research & Development: Keiji Suzuki
  • Representative Director & Executive Vice President: Toru Matsui
  • Senior Executive Officer: Hiroyuki Maeda
  • Senior Executive Officer: Yoshiyuki Takayanagi


  • Meiji Yasuda Life Insurance Co. (8.2%)
  • Dai-ichi Life Holdings, Inc. (8.2%)
  • Nomura Asset Management Co., Ltd. (5.8%)
  • National Mutual Insurance Fed. of Agricultural Cooperatives (3.6%)
  • The Vanguard Group, Inc. (2.4%)
  • Norges Bank Investment Management (1.8%)
  • Nippon Life Insurance Co. (1.7%)
  • TOTO Ltd. (1.6%)
  • Mitsubishi UFJ Financial Group, Inc. (1.6%)
  • Nikko Asset Management Co., Ltd. (1.1%)

Contact Details

  • Website:
  • Address: 14-18 Takatsuji-cho, Mizuho-Ku, Nagoya, 467-8525, Japan
  • Phone: +81.52.872.5915

Related Companies

  • NTK Cutting Tools Co. Ltd.
  • Ngk Spark Plug Employee Incentive Plan
  • Ngk Spark Plug Board Incentive Plan
  • NTK Ceramic Co. Ltd.
  • NGK Spark Plugs (Eurasia) LLC
  • NGK Spark Plugs (Vietnam) Co. Ltd.
  • NGK Spark Plugs SA (Pty) Ltd.
  • NGK Spark Plugs Malaysia Bhd.
  • NTK Technical Ceramics Korea Co. Ltd.
  • Bujias NGK de Mexico SA de CV
  • Changshu NGK Spark Plug Co. Ltd.
  • NGK Spark Plug Middle East FZE
  • SparkTec (Thailand) Co. Ltd.
  • Taiwan NGK Spark Plug Co. Ltd.
  • NGK Spark Plugs (India) Pvt Ltd.
  • NGK Spark Plugs (Thailand) Co. Ltd.
  • NGK Spark Plugs (Philippines), Inc.
  • NGK Spark Plugs Canada Ltd.
  • UCI Holdings Ltd. /Wells Vehicle Electronic Bus/
  • NGK Spark Plug (Australia) Pty Ltd.
  • NGK Spark Plugs (U.S.A.) Holding, Inc.
  • Ngk Spark Plug Trust
  • Siam NGK Spark Plug Co. Ltd.
  • Kamioka Ceramic Co. Ltd.
  • Ceramic Sensor Co. Ltd.
  • Iijima Ceramic Co. Ltd.
  • NGK Spark Plug Europe GmbH
  • Kani Ceramic Co. Ltd.
  • Nichiwa Kiki Co. Ltd.
  • CAIRE Medical Ltd.


  • Inogen, Inc.
  • Standard Motor Products, Inc.
Last Updated on 4 Oct, 2022

Discover the all new Nikkei Asia app

  • Take your reading anywhere with offline reading functions
  • Never miss a story with breaking news alerts
  • Customize your reading experience

Nikkei Asian Review, now known as Nikkei Asia, will be the voice of the Asian Century.

Celebrate our next chapter
Free access for everyone - Sep. 30

Find out more