The Takara Group was formed in Oklahoma City around 1973 by Bob Moore and Lee Connor to import bicycles made by Kuwahara into the US. The brand folded in the mid-late 1980's and apparently has been reanimated by Kent International.1) New link for: Takara Bikes. Info from: wikipedia, https://classicjapanesebicycles.com/takara/
“Treasure of Japan”
SunTour arX GT (1981-1983)
1982 Highlander, vintagemountainb
SunTour MounTech (unknown model)
1983 Highlander, mtbr
SunTour MountTech GTL (1982-3)
The components are a year off for 1984, but it's using the updated logo which was used in later years.
1984 Highlander, vintagemountainb
SunTour XC (1985-1986)
Were all Takaras called Highlander?
1986 Highlander, bikeforums