Mitsuboshi kk

Company Profile

Corporate History

History by period

From 1947

1947

The founder along with the products

Established Mitsuboshi Trading Co., Ltd.

1950

The Kyushu sales office at its opening

Opened the Tokyo branch and the Kyushu sales office.

1952

Started manufacturing four-strand wire and cord.

1958

Head office building at completion

Started manufacturing 600v PVC insulated wire.
Completed the new head office building.

1961

Extruding PVC to sheathe wire

Closed the Imazato plant and opened the Habikino plant.
Started manufacturing PVC and rubber flexible cables.

1963

Started manufacturing extruded flexible synthetic resin.

1966

Completed the new Kyushu office building.

1971

Changed the company name to Mitsuboshi Co., Ltd..

1972

Merged with Maruwa Denki Sangyo Co., Ltd. and opened the Hirano plant.

1976

Started manufacturing rigid contour extrusion products.

History by period

From 1980

1980

Shiga plant at completion

Opened the Shiga plant and integrated the
Department of Electric Wire and Cable.

1981

Developed aluminum contour extrusion composition technology.

1982

Sapporo office

Established the Sapporo office.

1985

Sendai office

Granted permit to display the JIS mark on flat rubber cord.
Established the Sendai office.

1992年

Merged with Shinsei Co., Ltd..

1993

Transferred the Kyushu office to the newly completed office building.

1994

Established the Nagoya branch office.

1996

Registered corporate stock with the Japan Securities Dealers Association.

1997

Groundbreaking ceremony of the Electric Wire and Cable Department, Tokyo office

Moved the Tokyo office (Electric Wire and Cable Department)
to the newly completed office building.
The Electrical Wire and Cable Department acquired ISO 9001
certification for its quality assessment and registration system.

History by period

From 2000


2000

The Polymatec Department acquired ISO 9002 certification for its quality
assessment and registration system

2001

2001 Upgraded the rank of the Nagoya branch office.

2003

The Polymatec Department in the Osaka office opened its Nagoya branch office.

2004

Acquired Silver Kohki Co., Ltd. (100% subsidiary)

2007

Founded Mitsuboshi Philippines Corporation in the republic of Philippines.

2009

Founded MITSUBOSHI THAI CO., LTD. in the Kingdom of Thailand.