Complex sentence: Cimar was a budget line of guitar used by Hoshino Gakki in the 1970s and 1980s, manufactured by the same manufacturer as Ibanez (FujiGen Gakki).
Split into simpler sentences: Cimar was a brand name used by Hoshino Gakki in the 1970s and 1980s. The Japanese made Cimar guitars may have been manufactured by the same manufacturer as Ibanez (FujiGen Gakki).