Company

About us

Company name

TOTOKU INC.

Establishment

November 22, 1940

Fund

6,739,055,000 yen

Shareholder composition

SWCC Co., Ltd.
(Capital stock of 242 billion yen, listed on the Tokyo Stock Exchange Prime) 51%

Development Bank of Japan, Inc.
(Capital of 1.04 trillion yen, wholly funded by the Japanese government) 49%

Employees

Consolidated 1,598 people (as of the end of February 2026)

Main business items

  • Electric wire/heater products

    Information / communications cables

    Equipment wire

    Ultra-fine alloy wire

    Heater wire

    Heater products

  • cable processed products and wire processed products

    Coaxial cables

    Contact Probes

    Suspension Wires

    Precision coils

Company

Board Members

Director

Representative Director, President
YAMAMURA Takashi
Senior Managing Director
IMAI Nobutaka
Director
NOZAKI Hiroto
Director
MIYAHARA Shohei
Director (part-time)
HATA Yoji
Statutory Auditor (part-time)
SHIGA Noriyuki

As of April 2026

Office

Offices

Head office

10th floor, Hibiya Central Building, 1-2-9 Nishi-Shinbashi, Minato-ku, Tokyo 105-0003 JapanGoogle Map

  • 2 minutes walk from Uchisaiwaicho Station Toei Mita Line
  • Toranomon Station 6 minutes walk from Tokyo Metro Ginza Line
  • 6 minutes walk from Shinbashi Station JR

Ueda Office

300 Oya, Ueda City, Nagano 386-0192 Japan Google Map

  • 20-minutes walk from Oya Station Shinano Railway Shinano Railway Line
  • 5 minutes walk from Chikuma Bus / Orange Bus (bus stop)
  • Ueda Station 20 minutes by car from JR Hokuriku Shinkansen / Shinano Railway Shinano Railway Line / Uedadentetsu Bessho Line (Oshiroguchi)

Maruko Office

1788 Kami-maruko, Ueda City, Nagano 386-0404 Japan Google Map

  • Maruko Shugakukan High School Iriguchi (bus stop) 15 minutes walk from Chikuma Bus
  • Ueda Station 20 minutes by car from JR Hokuriku Shinkansen / Shinano Railway Shinano Railway Line / Uedadentetsu Bessho Line (Oshiroguchi)
  • Oya Station 15 minutes by car from Shinano Railway Shinano Railway Line
Group Company

Group Companies

SWCC Co., Ltd.

Manufacture and sale of electric wires and cables, power equipment parts, winding wires, optical fiber cables, rollers for information equipment, etc.

JMF Building Kawasaki 01, 1-14 Nisshin-cho, Kawasaki-ku, Kawasaki-shi, Kanagawa 210-0024

TOKUDENPROSELL CO.,LTD.

Sale of electric wires, manufacture and sale of processed electric wire products, optical parts/equipment, electronic equipment/parts

714 Kamisanomachi, Takasaki City, Gunma 370-0857 Japan

TOKUDEN CO.,LTD.

Manufacturing and sales of bobbins, electric wires, and processed electric wire products.

3183 Nagase, Ueda City, Nagano 386-0407 Japan

TOTOKU(ZHEJIANG)CO.,LTD

Manufacture and sale of electric wires and processed electric wires

No. 2188 Pingcheng Road, Economic Development Zone, Pinghu, Zhejiang, 314200 PR of China

PT. TOTOKU INDONESIA

Manufacture and sale of processed electric wire products

Blok A-II NO.29 ST-4 I&J, Kawasan Berikat Kota Bukit Indah, Purwakarta, 41181 Indonesia

TTI LAGUNA
PHILIPPINES INC.

Manufacture and sale of processed electric wire products

Bldg.5 Panorama Compound 5, Laguna Technopark Annex, Binan, Laguna, 4024 Philippines