Toyama's school in Tokyo
Shūdōkan (修道館) is a school of karate founded by Toyama Kanken (遠山寛賢, 1888–1966), who was born in Shuri, Okinawa, and opened his dōjō of that name in Tokyo, on mainland Japan, in 1930. The word Shūdōkan names the hall, "the place for training in the way", and came to stand for the karate taught there.
An Itosu inheritance
Toyama was a direct student of Itosu Ankō, the Shuri master who did most to bring karate into the Okinawan schools, and he taught a curriculum rooted in that Shuri-te. He declined to set up a named "style" in rivalry with others, regarding himself as passing on Itosu's karate whole rather than a personal invention.
To pass on Itosu's karate whole, not a personal invention.
Lines from the Shūdōkan
Many later teachers trained at the Shūdōkan and carried its karate onward, and several distinct organisations descend from Toyama's teaching today. The school's history is securely documented from Toyama's well-recorded career as a schoolteacher and karate master.