1977

Mar

Tsuyoshi Tanaka established Work Co., Ltd. in Takaida Hondori, Higashi Osaka City with capital of 4 million yen

1979

May

Increased capital to 10 million yen

Dec

Three-piece factory opened in Takaida, Higashi Osaka City

1980

Apr

New head office building completed in Nagata-nishi, Higashi-Osaka City

Sep

Three Piece Factory relocated to Higashikonoike-cho, Higashiosaka City. Konoike Factory opened

1981

Apr

Kawamata Factory opened

1982

Aug

Opened a product distribution center at the Konoike Factory

Oct

Increased capital to 18 million yen

1983

Feb

Racing division and Kawanaka factory opened.
Fukuoka sales office opened

Mar

Kanagawa Sales Office opened

1984

Feb

Sendai Sales Office opened. Hiroshima Sales Office opened

1986

Aug

Shiki Factory completed. Operates as a product distribution center and product assembly factory

1987

Jun

Automotive division established

1988

May

Kawanaka Factory converted to painting department.
Okayama Factory opened

1989

Sep

Nagoya Sales Office opened

Nov

Okayama Factory expanded

1990

Jul

Established planning and development department AMP (Advanced Mobileparts Planning)

1991

Feb

Okayama distribution warehouse opened

1992

Mar

Niigata branch office opened

Jul

Omiya Sales Office opened

Aug

Sapporo branch office opened

Sep

Kanazawa branch office opened

1998

Aug

The photography studio is complete

2000

Aug

Increased capital to 18,950,000 yen

Nov

Sakai Factory opened. Operated as a rim manufacturing and product assembly factory

2001

Aug

Increased capital to 95,000,000 yen.
Sapporo branch office upgraded to Sapporo sales office

2002

Aug

Increased capital to 137,025,000 yen. Established a product department and a quality assurance department

2003

Apr

The assembly line of the Okayama Second Factory was moved to the Sakai Shiki Factory

Aug

Sales Promotion Office established

Oct

Shiki Factory expands its painting line

Dec

Obtained quality management system ISO9001 certification

2004

Sep

The Shiki Factory assembly line was integrated into the Sakai Factory

2007

Aug

Establishment of a new call center

2008

Sep

The Production Technology Department was moved to Higashi-Koike

2013

Jan

Capital reduced to 95 million yen

2014

Aug

Established the second sales department and development department

2015

Aug

Chika Tanaka was appointed President and Representative Director

2021

Jan

Opened a showroom at the head office

Mar

Product Planning Department established

2022

Aug

The Second Sales Department was integrated into the Sales Department

2023

Mar

Established a wholly owned subsidiary, Patek Co., Ltd. (Hofu City, Yamaguchi Prefecture, taking over the business from the former manufacturing contractor)