He associated also with Takao HATANO (The founder of the Haneda Hachimangu Bunko [the library of Haneda Hachiman-gu Shrine], present Toyohashi City, Aichi Prefecture) of the same Mikawa Province.
同じ三河の羽田野敬雄（羽田八幡宮文庫（現・愛知県豊橋市）の創設者）とも交遊した。