Quick answer — Masashi Ishihama worked on Welcome to the N-H-K (Character Design), Horimiya (Director), Horimiya: The Missing Pieces (Director) and 17 more anime.
Masashi Ishihama worked on Welcome to the N-H-K (Character Design), Horimiya (Director), Horimiya: The Missing Pieces (Director), From the New World (Director), R.O.D -THE TV- (Character Design), The Girl Who Leapt Through Time (Animation Director), Giant Robo the Animation: The Day the Earth Stood Still (Key Animation), R.O.D - READ OR DIE (Character Design) and 12 more.