| title | ISBN-13 | year of publication |
|---|---|---|
| Hitome de wakaru kaisha no shikumi | 978-4-532-16622-9 | 2006 |
| Kabu ni tsuyokunaru kaisha no miwakekata. | 978-4-532-35096-3 | 2004 |
| Keizaigaku meicho to gendai. | 978-4-532-35289-9 | 2007 |
| Keizai shihyo no yomikata | 978-4-532-10895-3 | 2004 |
| Keizai shinrigaku: Kibun to chokkan de keizai wa ugoku. | 978-4-532-35124-3 | 2004 |
| nikkei itsutsuboshi no bijutsukan | 978-4-532-16641-0 | 2007 |
| Sonī Wa Yomigaeru Ka | 978-4-532-31417-0 | 2009 |