| 1947-08 |
August 1947: Established Iwasaki Sheet Metal Works, a partnership, in Zama-machi, Osato-gun, Saitama Prefecture. |
| 1947-08 |
August 1947: Established Iwasaki Sheet Metal Works, a partnership company, in Saitama Prefecture, Omori District, Menuma Town, Oaza Menuma. |
| 1949-07 |
July 1949: Established Iwasaki Sheet Metal Industry Co., Ltd., inheriting the business rights of Iwasaki Sheet Metal Works. |
| 1949-07 |
July 1949: Established Iwasaki Sheet Metal Industry Co., Ltd., inheriting the business rights of the partnership company. |
| 1956-08 |
August 1956: Changed the trade name to Iwasaki Electric Industry Co., Ltd. |
| 1956-08 |
August 1956: Changed the trade name to Iwasaki Electric Industry Co., Ltd. |
| 1959-05 |
May 1959: Started manufacturing automotive parts (Subaru doors and bumpers) through a business alliance with Fuji Heavy Industries Ltd. (now Subaru Corporation). |
| 1959-05 |
May 1959: Started manufacturing automotive parts (Subaru doors and bumpers) through a business alliance with Fuji Heavy Industries Ltd. (now Subaru Corporation). |
| 1960-05 |
May 1960: Established Kumagaya Factory in Juroku, Kumagaya City. Began entrusted work for fluorescent lamp fixtures. |
| 1960-05 |
May 1960: Established Kumagaya Factory in Juuroku-Kan, Kumagaya City. Began entrusted work for fluorescent lamp fixtures. |
| 1961-03 |
March 1961: Started manufacturing electrical equipment (car coolers, car heaters, bus coolers) through a business alliance with Diesel Machinery Co., Ltd. |
| 1961-03 |
March 1961: Began manufacturing electrical equipment (car coolers, car heaters, bus coolers) through a business alliance with Diesel Machinery Co., Ltd. |
| 1961-08 |
August 1961: Completed cutting and assembly factories in Yato-go, Zama-machi, Osato-gun, Saitama Prefecture. Called the third factory (current main factory). |
| 1961-08 |
August 1961: Completed cutting and assembly factories in Yato-go, Saitama Prefecture, Saitama District, Menuma Town. Called the third factory (current head office factory). |
| 1962-04 |
April 1962: Changed the trade name to Lead Corporation. Capital was 56 million yen, with over 500 employees. Capital increased to 120 million yen in 1963. |
| 1962-04 |
April 1962: Changed trade name to Reed Co., Ltd. Capital stock was 56 million yen, with over 500 employees. Capital was increased to 120 million yen in 1963. |
| 1963-07 |
July 1963: Listed on the Tokyo Stock Exchange Second Section. |
| 1963-07 |
July 1963: Listed on the Tokyo Stock Exchange Second Section. |
| 1970-10 |
October 1970: Completed a resin factory on the west side of the main factory. Began resin molding and mold processing. |
| 1970-10 |
October 1970: Completed a resin factory on the west side of the head office factory. Started resin molding and die processing. |
| 1978-04 |
April 1978: Capital increased to 658.24 million yen. |
| 1978-04 |
April 1978: Capital increased to 658.24 million yen through additional funding. |
| 1982-11 |
November 1982: Completed the cation electrocoating plant. |
| 1982-11 |
November 1982: Completed the cation electrophoretic coating factory. |
| 1986-05 |
May 1986: Opened the Kanto Sales Office in Toda City, Saitama Prefecture. |
| 1986-05 |
May 1986: Opened the Kanto Sales Office in Toda City, Saitama Prefecture. |
| 1997-03 |
March 1997: Renovated the sheet metal painting plant extensively. |
| 1997-03 |
March 1997: Fully renovated the sheet metal painting factory. |
| 1997-07 |
July 1997: Completed the resin painting plant. |
| 1997-07 |
July 1997: Completed the resin painting factory. |
| 1998-03 |
March 1998: Acquired ISO 9001 certification. |
| 1998-03 |
March 1998: Acquired ISO9001 certification. |
| 2002-02 |
February 2002: Acquired ISO 14001 certification. |
| 2002-02 |
February 2002: Acquired ISO14001 certification. |
| 2003-05 |
May 2003: Relocated the Kanto Sales Office to Kumagaya City, Saitama Prefecture, and integrated the electronic equipment and street lighting divisions to establish the LB Business Division. |
| 2003-05 |
May 2003: Relocated the Kanto Sales Office to Kumagaya City, Saitama Prefecture, and integrated the electronic equipment and street lighting divisions to establish the LB Business Division. |
| 2005-03 |
March 2005: Ended transactions with Zexel Valeo Climate Control Co., Ltd., and closed the Kumagaya Business Division in Kumagaya City, Saitama Prefecture. |
| 2005-03 |
March 2005: Ended transactions with Zexel Vareo Climate Control Co., Ltd. and closed the Kumagaya Business Division in Juuroku-Kan, Kumagaya City, Saitama Prefecture. |
| 2006-04 |
April 2006: Completed a rental store on the site of the former Kumagaya Factory in Kumagaya City, Saitama Prefecture. |
| 2006-04 |
April 2006: Completed a rental storefront on the site of the former Kumagaya Factory in Juuroku-Kan, Kumagaya City, Saitama Prefecture. |
| 2012-04 |
April 2012: Completed a new molding factory on the premises of the headquarters factory. |
| 2012-04 |
April 2012: Completed a new molding factory within the head office factory premises. |
| 2013-06 |
June 2013: Completed a new painting factory on the premises of the headquarters factory. |
| 2013-06 |
June 2013: Completed a new painting factory within the head office factory premises. |
| 2013-08 |
August 2013: Introduced Resin Molding Machine No. 1 with a capacity of 3,000 tons, starting production of auxiliary resin bumpers. |
| 2013-08 |
August 2013: Introduced a 3,000-ton resin molding machine No. 1 and began production of auxiliary resin bumpers. |
| 2013-11 |
November 2013: Introduced Resin Molding Machine No. 2 with a capacity of 3,000 tons. |
| 2013-11 |
November 2013: Introduced a 3,000-ton resin molding machine No. 2. |
| 2015-04 |
April 2015: Completed a synchronized warehouse and assembly plant on the premises of the headquarters factory. |
| 2015-04 |
April 2015: Completed a synchronized warehouse and assembly plant within the head office factory premises. |
| 2015-11 |
November 2015: Completed a mold maintenance factory on the premises of the headquarters factory. |
| 2015-11 |
November 2015: Completed a mold maintenance factory within the head office factory premises. |
| 2017-09 |
September 2017: Introduced resin molding machines with capacities of 650 tons and 1,300 tons. |
| 2017-09 |
September 2017: Introduced 650-ton and 1,300-ton resin molding machines. |
| 2018-06 |
June 2018: Completed the 3rd resin molding building on the premises of the headquarters factory. |
| 2018-06 |
June 2018: Completed the 3rd resin molding building within the head office factory premises. |
| 2018-08 |
August 2018: Introduced a resin molding machine with a capacity of 2,500 tons. |
| 2018-08 |
August 2018: Introduced a 2,500-ton resin molding machine. |
| 2020-03 |
March 2020: Withdrew from the lighting equipment division of the LB Business Department. |
| 2020-03 |
March 2020: Withdrew from the lighting equipment division of the LB Business Department. |
| 2020-06 |
June 2020: Introduced a resin molding machine with a capacity of 650 tons. |
| 2020-06 |
June 2020: Introduced a 650-ton resin molding machine. |
| 2021-03 |
March 2021: Acquired the bicycle parking business from Nittetsu Nisshin Business Service Co., Ltd., and opened the Tokyo Sales Office in Ueno, Taito City, Tokyo, starting bicycle parking business management. |
| 2021-03 |
March 2021: Acquired the bicycle parking business from Nippon Steel Nisshin Business Service Co., Ltd., and opened the Tokyo sales office in Ueno, Taito-ku, Tokyo, to start bicycle parking business management. |
| 2022-04 |
April 2022: Transitioned from the Second Section to the Standard Market on the Tokyo Stock Exchange due to a review of market segments. |
| 2022-04 |
April 2022: Transitioned from the Second Section of the Tokyo Stock Exchange to the Standard Market due to review of market classification. |
| 2025-04 |
April 2025: Listed on the Fukuoka Stock Exchange's Main Market. |
| 2025-04 |
April 2025: Listed on the Fukuoka Stock Exchange Main Market. |
| 2025-06 |
June 2025: Withdrew from the electronic equipment division of the LB Business Department. |
| 2025-06 |
June 2025: Withdrew from the electronic equipment division of the LB Business Department. |