I think Stan Lee used to urge his artists to emulate Kirby, though, to keep to a "house" style. I'm sure I've read it in Stan's own words (possibly in a Masterworks introduction? Can't remember), and there's this from John Buscema's wiki page:
In order to adapt to the Marvel Comics style of superhero adventure, Buscema "synthesized the essence of [Jack] Kirby's supercharged action figures, harrowing perspectives, monolithic structures, mega-force explosions, and mythological planetscapes into a formula that he instantly integrated into his own superbly crafted vision," wrote comics artist and historian Jim Steranko.
Hmm, ok, he's actually saying he had his own formula rather than aping Kirby