Kei Okubo: Publications

Shojihomu Co., Ltd. (September 2019)

Yuko Tamai (Editor-in-Chief), Kayo Takigawa, Kei Okubo (Editors), Tomohiko Iwasaki, Kaoru Hattori, Takashi Saida (Co-authors)

Shojihomu Co., Ltd. (March 2018)

Kayo Takigawa (Author and Editor), Yuko Tamai, Tomohiko Iwasaki, Kei Okubo, Tomohiro Okawa, Wataru Matsumoto (Co-author), Mayuko Tsujimoto, Oki Osawa, Yuzuka Oyamada, Tomohiro Sekiguchi (Writing Collaborator)

Shojihomu Co., Ltd. (October 2015)

Yuko Tamai (Editor-in-Chief), Kayo Takigawa, Kei Okubo (Editors), Tomohiko Iwasaki, Kaoru Hattori, Takashi Saida (Co-authors), Nozomu Takashima, Yuki Matsumiya (Writing Collaborators)

Shojihomu Co., Ltd. (October 2015)

Ryuji Sakai (Author and Editor), Tomohiko Iwasaki, Kayo Takigawa, Kaoru Hattori, Kei Okubo, Takashi Saida, Hiroshi Tago (Co-authors), Nozomu Takashima, Yuki Matsumiya (Writing Collaborators)

Shojihomu Co., Ltd. (April 2015)

Soichiro Uno (Editor-in-Chief), Kayo Takigawa, Kei Okubo (Editors), Tomohiko Iwasaki, Takashi Saida, Hiroshi Tago, Kazuo Tsuiki, Kaoru Hattori (Co-authors), Takahiro Oishi, Nozomu Takashima, Atsushi Yamaguchi (Writing Collaborators)

Chuokeizai-Sha, Inc. (April 2014)

Edited by Nagashima Ohno & Tsunematsu, Soichiro Fujiwara, Shunji Matsuda, Kazuo Tsuiki, Kei Okubo, Hiroshi Tago, Yutaka Kuroda, Nobuhiro Anzai

(January 2009)

Kei Okubo (Co-author)