His short story "The Man Who Watched the Sea" won the
Hayakawa Award for best short story in 1998. Two more were nominated for the
Seiun Award for best short story; "Sora kara Kaze ga Yamu Toki" in 2003, and "Arakajime Kettei Sareteiru Ashita" in 2004. He received the Seiun Award for novels in 2012 for
Tengoku to jigoku, and in 2017 for
Ultraman F.
Nihon SF Taisho Award Award of Merit was awarded posthumously. In 2009, he was nominated as "Best Foreign Author" in the Chinese-language
Galaxy Awards. ==Works in English translation==