Japanese screenwriter Toyoto Kogisu, who contributed to the Detective Conan anime, has died at the age of 69. The Writers Guild of Japan announced his death on Monday, confirming that he passed away on September 29.
Kogisu worked on multiple episodes of the long-running mystery anime between 2000 and 2018, helping bring its crime-solving stories to television audiences.

Beyond Detective Conan, Kogisu built a career writing for Japanese television dramas. His credits include Taiyō ni Hoero!, Hagure Keiji: Junjōha, Sasurai Keiji Ryojō-hen, and Bengoshi Takabayashi Ayuko.
According to the Writers Guild of Japan, Kogisu died on September 29, 2026, at the age of 69. The organization announced his passing on October 19 but did not disclose a cause of death.
