Tsutsui Katsumi
Tsutsui Katsumi (筒井勝美, 1930--20??) was a Nihon Ki-in professional.
1p 1947
2p 1949
3p 1953
4p 1979
5p 2005
It's very likely that he received his final promotion on retirement. [1]
He is deceased. [2] It's unclear when he died, and the AGA has not published an obituary. This information may be available in Japanese on the Nihon Ki-in site.
He was a member of the Kitani dojo. Komatsu Hideko is his pupil.
Tsutsui has the same family name as Kimihiro Tsutsui (筒井 公宏 Tsutsui Kimihiro), a fictional character in Hikaru no Go.
His kifu are not available on either Waltheri or Go4Go.
[1] Judging by the Nihon Ki-in site, which shows his last games as in 2004.
[2] According to the list of Japanese professionals, retrieved from Wikipedia in 2021.