Banchōrō (番蝶楼) (publisher ca 1950 – 1955)
Miyake Kōshodō (三宅耕書堂)
Links
Biography:
Tokyo publisher (Marks U009). Ōta Masamitsu is the only artist we know of who was published by this establishment.
According to Merritt and Yamada Banchōrō was active before World War II and into the 1950s.