According to the tweets of animator Watanabe Atsuko and Kojina Hiroshi, anime director Ashida Toyoo passed away on July 23rd. He was 67 years old and had been struggling against cancer long. He established Studio Live in 1976 and trained many animators and directors.

Ashida's major works:
Cyborg 009 (1979) (character design)
Hokuto no Ken (Fist of the North Star) (director)
Hokuto no Ken Movie (director)
Hokuto no Ken 2 (director)
Mahou no Princess Minky Momo (character design)
Ginga Hyouryuu Vifam (character design)
Vampire Hunter D (director)
Mashin Eiyuuden Wataru (character design)
F-Zero GP Legend (character design)
Narue no Sekai (general director)
Black Blood Brothers (producer)
Souten Kouro (general director)

Ashida's disciples
Inoue Hideki (general animation director of "Ikoku Meiro no Croisée")
Kojina Hiroshi
Nishijima Katsuhiko (director of "Project A-Ko")
Oka Mariko (character design of "Nurarihyon no Mago")
Oshima Miwa (general animation director of "Baka to Test to Shoukanjuu" series)
Takahashi Mika (general animation director of "Mahou Shoujo Madoka★Magica")
Watanabe Atsuko
Yamauchi Noriyasu (general animation director of "Maria†Holic Alive")
Yoshimatsu Takahiro

Sources: Watanabe's tweet, Kojina's tweet