[1][2] Furuya is most known for the anime roles of Amuro Ray (Gundam), Hyūma Hoshi (Star of the Giants), Pegasus Seiya (Saint Seiya), Yamcha (Dragon Ball), Kyōsuke Kasuga (Kimagure Orange Road) and Tuxedo Mask (Sailor Moon).

He also used a pseudonym Noboru Sōgetsu (蒼月 昇, Sōgetsu Noboru) in the cast of Mobile Suit Gundam 00 for Ribbons Almark's role (but used his real name in the narration role) and in the casting of Sekai-ichi Hatsukoi for Zen Kirishima.

He is also the best known official dubbing voice for Hong Kong action film actor, Yuen Biao.

[9] On June 28, 2024, Bandai Namco began considering to employ a new voice actor to portray Amuro Ray for later works in the Gundam series in the wake of Furuya's affair being made public.

[10] On October 4, 2024, Toei Animation announced that the role of Yamcha had been recast to Ryōta Suzuki for Dragon Ball Daima.