|1972/10||Established Shingo Denzai Co., Ltd. In 3-62, Mikawamachi, Omuta City, FukuokaProduction of joint box and power box|
|1974/04||Opened Chubu sales office at 1-73, Mitsumachi, Nakagawa-ku, Nagoya City|
|1975/07||Production of molten zinc-coated steel pole|
|1975/07||Production of aluminum die-cast joint box|
|1976/04||Production of steel pole (molten zinc-coated) for traffic signal|
|1978/04||Moved Chubu sales office to 4-22, Kanamemachi, Minami-ku, Nagoya City|
|1980/05||Moved main factory to 1-29, Shinkomachi, Omuta City, Fukuoka|
|1982/02||Production of large traffic sign pole|
|1983/07||Expansion of factory to expand weld processing division|
|1984/07||Production of wiring box|
|1986/09||Operation of wire assembly division|
|1987/03||Construction of new factory in adjacent land following business expansion|
|1987/06||Launch of new factory (No.2 Factory)|
|1987/06||Opened Tokyo office in 3-5-8 Kamiosaki, Shinagawa-ku, Tokyo|
|1987/07||Consignment production of aluminum die-cast traffic signals for cars|
|1988/02||Moved Chubu sales office to 1-3-2 Mishikimachi, Naka-ku, Nagoya City|
|1989/09||Construction of No.3 Factory due to business expansion|
|1991/09||Production of new cage cramp aluminum die-cast joint box|
|1992/06||Opened Kansai sales office at 1-78, Nagatahigashi, Higashi-Osaka City, Osaka|
|1992/06||Closed Chubu sales office and integrated its operations to Kansai sales office|
|1992/09||Moved Tokyo office to 1-6-19, Honkomagome, Bunkyo-ku, TokyoChanged the name of Tokyo office to Tokyo sales office|
|1992/11||Development of new traffic signal for cars|
|1993/04||Production of new traffic signal for cars|
|1994/04||Moved Tokyo sales office to 2-29-16, Minami Ikebukuro, Toshima-ku, Tokyo
Moved Kansai sales office to 3-68, Nagatahigashi, Higashi-Osaka City, Osaka
|1994/04||Development of new traffic signal for pedestrians|
|1994/10||Production of new traffic signal for pedestrians|
|1995/01||Production of LED arrow signal|
|1995/05||Moved Tokyo sales office to 1-6-17, Honkomagome, Bunkyo-ku, Tokyo|
|1995/07||Development of new 95A type traffic signal for cars|
|1995/08||Opened Chugoku sales office at 23-19, Danbarahinodecho, Minami-ku, Hiroshima City|
|1996/02||Development of traffic light with limited visual angle|
|1996/05||Opened Tohoku sales office at 1-1-13, Nagamachi, Taihei-ku, Sendai City, Miyagi|
|1996/09||Increased capital from 20 million Yen to 80 million Yen|
|1997/05||Opened Hokkaido sales office at 14-6-23, Kita 33-jo Higashi, Sapporo City|
|1997/06||Opened Fukuoka sales office at 2-11-22 Hakataekimae, Hakata-ku, Fukuoka City|
|1997/07||Export of new traffic signal lens unit for cars to Taiwan|
|1998/04||Moved Hokkaido sales office to 1-5-19, Nakanoshima, Toyohira-ku, Sapporo City|
|1999/05||Moved Fukuoka sales office to 2-11-1, Hakataekimae, Hakata-ku, Fukuoka City Change the name of Fukuoka sales office to Kyushu sales office|
|1999/06||Development of new 99P-type traffic signal for cars|
|2000/05||Moved Tokyo sales office to 1-7-20, Tatsumi, Koto-ku, Tokyo|
|2000/05||Moved Tohoku sales office to 3-4-16, Nagamachi, Taihei-ku, Sendai City, Miyagi|
|2001/06||Construction of Takahama Factory at 1952-2, Kakihara, Takahama, Arao City, Kumamoto|
|2001/10||Obtained ISO9001 certificate (01 100 018420/TUV CERT)|
|2002/11||Obtained ISO9001 certificate (2000)|
|1985||Chairman Itonaga met Mr.Yuu (Chirman) at a friendship exchange even between Omuta Lions Club and Hsinchu Lions Club.|
|1997||Mr.Yuu introduced Chairman Itonaga to Mr.Chen (President) following orders for reflectors in Taiwan
Establishment of Taiwan Traffic Signal Association (Speech by chairman Itonaga at the commemoration ceremony)
Mr.Chen sold 10-thousand sets of multi-view lens type unit (95A) in Taiwan.
Mr.Chen began exports of signal components such as reflectors and caps to Shingo Denzai.
|1999||Chairman Itonaga, Mr.Yuu, Mr.Chen and 2 others set up UTS.
UTS delivered 300 sets of LED traffic signals to Keelung City, Taiwan. (First shipment)
Shingo Denzai began development of LED traffic signals.
|2000||Shingo Denzai and UTS took part in exhibitions in Las Vegas and Amsterdam.|
|2001||Development and production of 154-type LED traffic signal (later 102-type signal)
Sales to Taiwan and Malaysia began.
|2002||Sales of 192-type LED traffic signal (for Japan) began.
UTS' shareholder meeting decided to financially participate in Shingo Denzai.
|2003||Increased production of LED signals for the Japanese market
Shingo Denzai invested on UTS as first step to overseas business expansion.
Dispatch of Japanese staff and long-term dispatch of engineers to UTS began.