Kamiya was born on October 6, 1965, in
Tokyo, Japan. As a child, he lived near
Toho Studios and would often sneak into the studio grounds to peek into the warehouses where the miniature sets and monster costumes were stored, sparking his early fascination with
tokusatsu filmmaking. In 2000, Kamiya made his debut as a full special effects director with the disaster film
Whiteout, starring
Yuji Oda. He has maintained a long and close professional relationship with director
Shinsuke Sato, serving as special effects director or visual effects supervisor on many of Sato's films. Their collaboration began with the two-part live-action adaptation
Gantz (2010) and
Gantz: Perfect Answer (2011). He also served as VFX supervisor on Sato's
Library Wars series,
Bleach (2018),
Inuyashiki (2018), the Netflix series
Alice in Borderland (2020–), and multiple entries in the
Kingdom live-action film series, where he helped realize large-scale battle scenes with massive armies and epic VFX.
Killers (2003),
Otakus in Love (2004), and
The Next Generation: Patlabor (TV 2014). == Filmography ==