Ryūsai Shigeharu (柳窗重春/柳斎重春) (1802–1853) was an Osaka-based Japanese ukiyo-e woodblock print artist active during the first half of the nineteenth century.
He moved to the Mitsudera-machi (三津寺町) district of Osaka around 1820, to study printmaking with his first mentor, Utagawa (Takigawa) Kunihiro (歌川国広) (fl.
[8] In the Bunsei (文政) era (4/1818-12/1830), Shigeharu began working in various media including single-sheet prints, book illustration, theater billboards and programs, and paintings.
[13] His artistic output is generally dated to the period c.1820-1849, with the years 1829-1831 marking the peak of his work in ichimai-e (一枚絵) single-sheet print design.
From 1831 on, Shigeharu provided illustrations for a number of books including The Three Kingdoms of Actors' Customs Yakusha fūzoku sangokushi (役者風俗三国志).
The work he did with his master, Shigenobu, on a book of fashionable patterns in courtesan clothing (Ryūko moyō chakui tayū no zu (竜虎紋様着衣太夫の図)) earned him particular acclaim.