日本社会党 にっぽんしゃかいとう Also written にほんしゃかいとう Meanings Noun Japan Socialist Party (1945-1996; succeeded by the Social Democratic Party of Japan); JSP See also: 社会民主党 (しゃかいみんしゅとう). Kanji 日 day. Read as ニチ. 本 origin. Read as ホン. 社 company. Read as シャ. 会 meet. Read as カイ. 党 party. Read as トウ. Jinuma: Japanese Dictionary · Word lists