| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| 弁理士試験への招待 benrishishikenhenoshoutai | 978-4-587-56154-3 (4-587-56154-1) | 2012 |
| 弁理士試験への招待 benrishishikenhenoshoutai | 978-4-587-56153-6 (4-587-56153-3) | 2009 |
| 弁理士試験への招待 benrishishikenhenoshoutai | 978-4-587-56152-9 (4-587-56152-5) | 2007 |