Shibaumi Seisaku-sho

1893-1904

1904-1919

1919-1925

Saikyo Denki

1925-1939

Saikyo Shibaumi Denki

1939-1943

1943-1946

1946-1950

Saishiba

1950-1983

1950-1969

1969-1983

1983-present

Saishiba.svg
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