His 2011 work, The History of Modern Japanese Fantastic Fiction: Meiji Edition (近代日本奇想小説史 明治篇, Kindai Nihon Shōsetsushi - Meiji-hen), won a Taisho Award, the Mystery Writers of Japan Award, and the Ozaki Hokki Memorial Popular Literature Research Prize.[5][7][8] The Science Fiction and Fantasy Writers of Japan awarded him the Special Services Award for lifetime achievements in the field of science fiction in 2018.[1][7]
He died of heart failure on 4 January 2019 in Yokohama, Kanagawa Prefecture, Japan.[2][4][5] A funeral was held for close relatives. His daughter, Masako Suzuki, lead the mourning, and an open memorial services was held afterward.[5]
^"横田順彌さん死去 73歳 SF作家" [SF writer Jun'ya Yokota dead at age 73]. Asahi Shimbun (in Japanese). 17 January 2019. Archived from the original on 17 January 2019. Retrieved 2 August 2019.
^ ab"横田順彌は結婚して嫁+子供あり!心不全で死去" [Per his daughter-in-law and children, Jun'ya Yokota has died of heart failure] (in Japanese). 暇人異聞録 (Himajin Ibunroku). 16 January 2019. Archived from the original on 2 August 2019. Retrieved 2 August 2019.
^ abcdefg"SF作家の横田順彌さん死去" [Death of SF writer Jun'ya Yokota] (in Japanese). Sankei Shimbun. 16 January 2019. Archived from the original on 28 April 2019. Retrieved 2 August 2019.
^ abcdefghijklmnopqrs"横田順彌" (in Japanese). 文学賞の世界 (World of Literary Prizes). Archived from the original on 2 August 2019. Retrieved 2 August 2019.
^ ab"尾崎秀樹記念・大衆文学研究賞 受賞作一覧" [Ozaki Hokki Memorial Popular Literature Research Prize List] (in Japanese). Roadside Library. 16 January 2017. Archived from the original on 2 August 2019. Retrieved 2 August 2019.