| 1964-09 |
Established Nihon Flash Corporation |
| 1964-09-07 |
|
| 1964-09-07 |
Founded: September 7, 1964 |
| 1965 |
Founded Nihon Flash Co., Ltd. in 1965 (Showa 39) |
| 1965-06 |
Completion of the head office factory |
| 1966-04 |
Opened Osaka sales office |
| 1966-06 |
Completed the head office factory in 1966 (Showa 40) |
| 1970 |
|
| 1970-04 |
Opened Osaka Sales Office in 1970 (Showa 45) |
| 1970-07 |
Partnership with Taiwan Jinzhengji Wood Industry Co., Ltd. |
| 1971-04 |
Opened Tokyo sales office |
| 1971-07 |
Formed a partnership with Kinshin Kichi Wood Industry Co., Ltd. in Taiwan in 1971 (Showa 46) |
| 1972-01 |
Business alliance with Korea Dongmyung Wood Trading Co. |
| 1972-04 |
Opened Tokyo Sales Office in 1972 (Showa 47) |
| 1973-01 |
Formed a business alliance with Dongmyeong Wood Trading Co., Ltd. in Korea in 1973 (Showa 48) |
| 1973-09 |
Established Taisei Prefab Industry Co., Ltd. as a joint venture |
| 1974-01 |
Established Japan Funen Co., Ltd. as a joint venture |
| 1974-09 |
Established Daisan Prefab Industry Co., Ltd. as a joint venture in 1974 (Showa 49) |
| 1975-01 |
Established Japan Funen Co., Ltd. as a joint venture in 1975 (Showa 50) |
| 1978-04 |
Opened Sapporo sales office |
| 1982-04 |
Elevated Tokyo and Osaka sales offices to branches |
| 1982-04 |
Opened Sapporo Sales Office in 1982 (Showa 57) |
| 1984-04 |
Opened Fukuoka sales office |
| 1984-04 |
Elevated Tokyo and Osaka Sales Offices to branches in 1984 (Showa 59) |
| 1986-05 |
Introduced new production system MRP for made-to-order production |
| 1989-03 |
Start of operation at Hokkaido factory |
| 1989-04 |
Showa 59 (1989): Opened Fukuoka Sales Office |
| 1990-05 |
Heisei 1 (1990): Introduced new production method MRP based on order production |
| 1990-09 |
Completion of storage furniture factory |
| 1990-09 |
Heisei 2 (1990): Started operation of Hokkaido Factory |
| 1991-03 |
Business partnership with Korea Saengchang Industry |
| 1991-03 |
Heisei 3 (1991): Completed Storage Furniture Factory |
| 1992-03 |
Heisei 4 (1992): Business alliance with Korea Saengchang Industry |
| 1992-04 |
Completion of the head office showroom |
| 1993-04 |
Heisei 5 (1993): Completed Head Office Showroom |
| 1993-07 |
Completion of the 4th factory |
| 1994-07 |
Heisei 5 (1994): Completed the 4th Factory |
| 1997-10 |
国際品質規格ISO9001 認証取得 |
| 1998-01 |
Relocated to Osaka Branch, Shimoyamato, Chuo Ward |
| 1998-10 |
平成9年 (1998年): 国際品質規格ISO9001認証取得 |
| 2002-01 |
Heisei 10 (2002): Moved Osaka Branch to Shimano-cho, Chuo-ku |
| 2002-06 |
Business alliance with Ittsu Nishiki Industry Co., Ltd. |
| 2002-06 |
Heisei 14 (2002): Business alliance with Yoko Ittsu Kinmoku Co., Ltd. |
| 2002-08 |
Established Kunshan Nichimon Architectural Decoration Co., Ltd. |
| 2002-08 |
Heisei 14 (2002): Established Kunshan Nimon Architectural Decoration Co., Ltd. |
| 2004-03 |
Relocated Tokyo Branch to Hachobori, Chuo Ward |
| 2004-03 |
Heisei 16 (2004): Moved Tokyo Branch to Hachobori, Chuo-ku |
| 2004-07 |
Opened Tokyo Showroom |
| 2004-07 |
Heisei 16 (2004): Opened Tokyo Showroom |
| 2006-03 |
国際環境規格ISO14001:2004 認証取得 |
| 2006-03 |
平成18年 (2006年): 国際環境規格ISO14001:2004認証取得 |
| 2006-09 |
Merged with Nick Corporation, established Nick Business Division |
| 2006-09 |
Heisei 18 (2006): Absorbed and merged with Nick Corporation, established Nick Business Division |
| 2006-12 |
Established Nichimon (Qingdao) Building Materials Co., Ltd. |
| 2006-12 |
Heisei 18 (2006): Established Nimon (Aoshima) Building Materials Co., Ltd. |
| 2007-03 |
Opened Sendai Branch Office |
| 2007-03 |
Heisei 19 (2007): Opened Sendai Branch Office |
| 2008-02 |
Listed on the Second Section of the Tokyo Stock Exchange |
| 2008-02 |
Established Nichimon (Shanghai) Trading Co., Ltd. |
| 2008-02 |
Heisei 20 (2008): Listed on the Second Section of the Tokyo Stock Exchange |
| 2008-02 |
Heisei 20 (2008): Established Nimon (Shanghai) Trading Co., Ltd. |
| 2011-11 |
Established Nichimon (Jiangxi) Building Materials Co., Ltd. |
| 2011-11 |
Heisei 23 (2011): Established Nimon (Jiangxi) Building Materials Co., Ltd. |
| 2012-04 |
Integrated Nick Ibaraki Factory with Headquarters Factory |
| 2012-04 |
Heisei 24 (2012): Integrated Nick Ibaraki Factory with Head Office Factory |
| 2015 |
|
| 2015-06 |
Designated on the First Section of the Tokyo Stock Exchange |
| 2015-06 |
Heisei 27 (2015): Designated on the First Section of the Tokyo Stock Exchange |
| 2015-10 |
Held celebration for listing on the First Section of TSE and 50th anniversary of founding |
| 2015-10 |
2015: Tokyo Stock Exchange First Section listed and 50th anniversary celebration held |
| 2016-06 |
Established Kiyoya (Yantai) Integrated Construction Technology Co., Ltd. |
| 2016-06 |
2016: Established Yoshiya (Yantai) Integrated Building Technology Co., Ltd. |
| 2016-07 |
Established Kiyoya (Qingdao) Home Co., Ltd. |
| 2016-07 |
2016: Established Yoshiya (Qingdao) Furniture Co., Ltd. |
| 2018-06 |
Merged Sendai Branch Office with Tokyo Branch |
| 2018-06 |
2018: Integrated Sendai Branch Office and Tokyo Branch |
| 2019-04 |
Opened China Sales Office |
| 2019-04 |
2019: Opened China Sales Office |
| 2021-04 |
Obtained SIAA (Antibacterial Product Technology Council) Mark Certification |
| 2021-04 |
Opened Nagoya Sales Office |
| 2021-04 |
Merged the China Sales Office and Shikoku Sales Office to establish the Chugoku-Shikoku Sales Office |
| 2021-04 |
2021: Acquired SIAA (Antibacterial Product Technology Council) Mark Certification, opened Nagoya Sales Office, integrated Chugoku and Shikoku Sales Offices |
| 2022-04 |
Transitioned to a Prime Market listed company due to the reorganization of the Tokyo Stock Exchange market |
| 2022-04 |
2022: Transitioned to a Prime Market listed company due to Tokyo Stock Exchange market reorganization |
| 2023-03 |
Obtained manufacturing certification and factory certification for metal fire-resistant doors (Grade A, Grade B) and wooden fire-resistant doors (Grade A, Grade B) at the Yichun factory in Jiangxi Province, China, and received manufacturing and sales certification |
| 2023-03 |
2023: Obtained manufacturing and factory certification for metal fire doors and wooden fire doors at Yichun Factory in Jiangxi Province, China, started exterior fire door sales in Shanghai, formed business alliance with RunTai Group in Taiwan, opened showroom in Taipei, Taiwan |
| 2023-09 |
Started sales of exterior fire-resistant doors (entrance doors) as a specialized agency in Shanghai |
| 2023-09 |
Signed a memorandum of business alliance with the Taiwan Run Tai Group |
| 2023-12 |
Opened a showroom in Taipei City, Taiwan |
| 2024-06 |
Established Nichimon (Kunshan) Building Materials Technology Co., Ltd. in the People's Republic of China |
| 2024-06 |
2024: Established Rimen (Kunshan) Building Materials Technology Co., Ltd. in China |
| 2024-12 |
Completed the renewal of the head office factory line |
| 2024-12 |
2024: Completed factory line renewal at headquarters |
| 2025-08 |
Completed the new head office production management office and new cafeteria |
| 2025-08 |
2025: Completed new headquarters production management office and new cafeteria |
| 2025-10 |
Celebrating the 60th anniversary of founding |