Tatsunami Kabu History

Time	Kabu Name	Holder	Heya	Ichimon	Owner
06.1915 (KA) - before 13.1915 (HB)	Tatsunami[4] Iyaemon#	K Midorishima Tomonosuke	Kasugayama	None
before 01.1916 (HB) - 16.12.1952 (PA)	Tatsunami[4] Iyaemon#	K Midorishima Tomonosuke	Tatsunami	Tatsunami
17.12.1952 (HT) - 14.10.1969 (PA)	Tatsunami[5] Masaji	Y Haguroyama Masaji	Tatsunami	Tatsunami
15.10.1969 (QQ) - 19.10.1969 (QQ)	Tatsunami	vacant	Tatsunami	Tatsunami	Y Haguroyama Masaji
20.10.1969 (HT) - 22.02.1999 (RM)	Tatsunami[6] Osamu	S Annenyama Osamu	Tatsunami	Tatsunami
23.02.1999 (HT) - 30.06.2012 (CI)	Tatsunami[7] Taiji	K Asahiyutaka Katsuteru	Tatsunami	Tatsunami
01.07.2012 (CI) - 17.09.2018 (CI)	Tatsunami[7] Taiji	K Asahiyutaka Katsuteru	Tatsunami	Takanohana
18.09.2018 (CI) -	Tatsunami[7] Taiji	K Asahiyutaka Katsuteru	Tatsunami	Dewanoumi

CI	Change of ichimon
HB	Heya branchout
HT	Heya takeover (new shisho picks up heya name)
KA	Kabu assumed
PA	Passed away
QQ	Vacant (headless heya)
RM	Mandatory retirement