石油開発公団 せきゆかいはつこうだん Meanings Noun Japan Petroleum Development Corporation Kanji 石 stone. Read as セキ. 油 oil 開 open. Read as カイ. 発 emit. Read as ハツ. 公 public. Read as コウ. 団 group. Read as ダン. Jinuma: Japanese Dictionary · Word lists