The team became an official company club in 1929, the same year in which Daiki founded Hanazono Rugby Stadium.

Before and during World War II, there was no national tournament organized between company rugby teams in Japan.

After World War II, the company name was changed to Kinki Nippon Railway (called "Kintetsu").

In the 1948–1949 season, they also participated in the first national Company Rugby Football Championship, which consisted of four teams from all over Japan.

However, a nationwide round robin competition for the company rugby did not exist in Japan till the establishment of the Top League.

In the 1974–1975 season, Kintetsu won the All-Japan Championship, following which some notable national players such as Yoshihiro Sakata and Hiroshi Ogsasawara retired.

Further, when employees were absent from work due to rugby (often for extended periods of time because of the travel required), Kintetsu Corporation did not pay for their absence.

This policy was also applied to Kintetsu players who represented Japan and traveled abroad for matches such as World Cup.

However, following their relegation to the Top West League in 2005, Kintetsu decided to re-organize the Liners as semi-professional and hire famous full-time professional players, like other teams.

Kintetsu have signed international players such as Leon MacDonald in 2009, Rico Gear in 2010, Andre Taylor in 2014, and Pierre Spies and Damian de Allende in 2015.

Then-Rebels & former Reds & Australian test halves pairing Quade Cooper and Will Genia signed for 2019–2020, with Cooper joining following the conclusion of the 2019 Super Rugby season having been omitted from the Wallabies World Cup squad by coach Michael Cheika, while Genia joined following Australia's exit in the quarter-final against eventual finalists, England.

The Hanazono Kintetsu Liners squad for the 2024–25 season is:[3] Props Hookers Locks Flankers No8s Scrum-halves Fly-halves Centres Wingers Fullbacks Utility Backs