Company Overview/Access

Company Overview

Company Name

Okazaki Manufacturing Company

Business Details

Manufacture and sales of temperature sensors
Manufacture and sales of industrial electric heaters
Manufacture and sales of Mineral Insulated (MI) cables for measurement/control/electric heat


3-1-3 Goko-dori, Chuo-ku, Kobe City, 651-0087【View in Google Map
International Division TEL:078-330-6879 FAX:078-251-8210
General Affairs/Accounting Department TEL:078-251-5141 FAX:078-252-0657

Foundation January 26, 1954
Capital Paid-in 86.5 million yen, authorized 225 million yen
Representative Director Kazuhide Okazaki
Number of Employees 290 employees as of March, 2023


  • Approx. 11 min. on foot from the east entrance ticket gate, Sannomiya Station,
    JR Kobe Line (Tokaido Line)
  • Approx. 9 min. on foot from the east entrance, Kobe-sannomiya Station, Hanshin Electric Railway
  • Approx. 14 min. on foot from the east ticket gate, Kobe-sannomiya Station,
    Hankyu Railway
  • Approx. 15 min. on foot from the east Exit 3, Sannomiya Station, Seishin-Yamate Line,
    Kobe Municipal Subway
  • Approx. 8 min. on foot from Exit 3, Sannomiya-hanadokeimae Station, Kaigan Line,
    Kobe Municipal Subway
  • Approx. 10 min. on foot from Sannomiya Station, Port Island Line

History and Development

Jan. 1954

Founded as Okazaki Trading Company. Started importing and selling chromel-alumel thermocouple wires and various resistance wires made by Hoskins Manufacturing Company in the U.S.A.

Apr. 1959 Established the Manufacturing Department and started manufacturing various thermocouples.
Mar. 1960

Concluded an Far-Eastern General Agency Agreement with ARi Industries Inc. in the U.S.A. and started importing and selling AEROPAK sheathed thermocouples, pressure detectors, pitot tubes, etc.

Jun. 1963

Developed new product RESIOPAK sheathed platinum resistance thermometer sensors (PAT.NO.512134), which acquired an overwhelmingly good reputation from customers as new breakthrough products.

Dec. 1966

Constructed a new factory in Akashi City, Hyogo Prefecture, and simultaneously changed our name to Okazaki Manufacturing Company.

May 1969

Started manufacturing cables such as compensating cables for thermocouples and lead wires for resistance thermometer sensors.

Apr. 1972

Concluded a technical assistance contract for MI cables with ARi Industries Inc. and started manufacturing the cables.

Apr. 1972

Constructed a factory that manufactures cables and the elements of resistance thermometer sensors in Usui-machi, Kaho-gun, Fukuoka Prefecture.

May 1973 Constructed the headquarters building in Chuo-ku, Kobe City.
May 1977

Constructed the Iwaoka Factory as our main factory for manufacturing MI cables and assembling heaters in Nishi-ku, Kobe City.

Nov. 1980

Purchased ARi Industries Inc. in the U.S.A., acquiring all of its shares. Expanded our business using the company’s accumulated technologies, production facilities, and sales networks in the U.S.A., Canada, and Europe.

Apr. 1982

Kazuo Okazaki, the president and representative director, received the Director General of Science and Technology Agency Prize as a person with distinguished achievements in science and technology.

Feb. 1987

Established Okazaki Manufacturing (Taiwan) Co., Ltd, a local subsidiary, in Kaohsiung City, Taiwan, to strengthen international strategies.

Apr. 1988

Kazuo Okazaki, the president and representative director, received a Medal with Blue Ribbon as a contributor for developing science and technology in Japan by developing and nurturing industrial temperature measurement technology for a long time.

Jun. 1990

Succeeded in developing temperature sensors for space and received official authorization for them as common parts for space development in association with Mitsubishi Heavy Industries, Ltd. from the National Space Development Agency of Japan.

Nov. 1993

Received ISO 9001 Certification, an international standard for quality management for the Akashi Factory and Sales Department.

Dec. 1998

Acquired authorization (JCSS authorization number 0079) from the Ministry of International Trade and Industry as an authorized operator for the national standard and traceable temperature calibration by the new measurement law “Traceability System.”

Apr. 2001

Kazuo Okazaki, the president and representative director, received the Order of the Rising Sun, Gold and Silver Rays as a contributor to the industrial development of Japan.

Sep. 2002

Constructed the Kobe Nishi Factory for the space equipment department and development department to be separate and independent.

May 2008 Constructed the Kyushu Factory in Fukuoka Prefecture as a factory dedicated to manufacturing MI cables.
Jan. 2012 The Akashi Factory was moved to Kobe City and renamed as The Main Manufacturing Factory.
Oct. 2017 Moved the Iwaoka Factory. Constructed its main building.
Jan. 2019 65th anniversary of the foundation

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