History

Acquired the technical license for the RöRo system at Hirose Seizaburo Shoten Co., Ltd.

Began the manufacturing, sales, and leasing of temporary large-diameter pipe support columns (RöRo S-50 system) in Japan

Established Hirose Giken Co., Ltd.

Shuji Hirose appointed as President

Started operations by acquiring from Hirose Seizaburo Shoten Co., Ltd. the business rights for the manufacturing, sales, and leasing of temporary large-diameter pipe support columns

Developed the RöRo S-10 system

Opened the Kyushu Factory (on the premises of Onami Transport & Warehouse Co., Ltd. [now Onami Co., Ltd.])

Opened the Tokyo Branch

Opened the Tokyo Factory (on the premises of Takikoun Co., Ltd.)

Completed the expanded metal scaffold (named EG Scaffold)

Opened the Kyushu Sales Office (now Kyushu Branch)

Opened the Nagoya Branch

Developed the RöRo S-140 system

Seijiro Hirose appointed as President

Entered the PLAROAD business

Relocated the Kyushu Factory (on the premises of Nikko Kogyo Co., Ltd.)

Relocated the Tokyo Branch

Relocated the Head Office

Relocated the Nagoya Branch

Opened the Hokkaido Factory (on the premises of Ishikari Kizai Co., Ltd.)

Relocated the Tokyo Factory

Relocated the Hokkaido Factory (on the premises of Kyodo Unyu Co., Ltd.)

Developed Tometaro

Relocated the Kyushu Branch

Discontinued the noise barrier division

Opened the Kyoto Yard (on the premises of Kishigai Butsuryu Co., Ltd.)

Acquired the PLAROAD division from Bond Engineering Co., Ltd.

Yoshiaki Hirose appointed as President

Opened the Tsu Yard (on the premises of Alpha Co., Ltd.)

Developed Kamekichi