To most fans, he is best known for his work as the head writer of multiple tokusatsu shows, most notably, the first five Super Sentai Series, namely: Himitsu Sentai Goranger, JAKQ Dengekitai, Battle Fever J, Denshi Sentai Denziman, and Taiyou Sentai Sun Vulcan; the first five Metal Hero Series, namely: Space Sheriff Gavan, Space Sheriff Sharivan, Space Sheriff Shaider, Special Megabeast Investigator Juspion, and Jikuu Senshi Spielvan; The Return of Ultraman, and Toei's Spider-Man TV series. He was also the initial head writer of Kamen Rider BLACK, and even wrote some anime, most notably: Space Pirate Captain Harlock, and UFO Robo Grendizer.
From all of us here, thank you for the memories.
[Source: Yahoo! Japan via @strongest_human; Anime News Network & Super Sentai Wiki for Uehara's writing credits]