| Name | Participants | Dates | Stamps | ||
| 100th Anniversary of Jap..ailand Friendship Treaty | 2 | (with Thailand) | 1987 | 2 | |
| 150 Years Anniversary of..en Switzerland and Japan | 2 | (with Switzerland) | 2014 | 12 | |
| 50th anniversary of Dipl..elations Japan-Singapore | 3 | (with Singapore) | 2006 - 2016 | 22 | |
| Anne of Green Gables 100th | 2 | (with Canada) | 2008 | 14 | (incomplete) |
| Austria-Japan Year 2009 | 2 | (with Austria) | 2009 | 12 | |
| Christmas 2010 - joint issue Finland-Japan | 2 | (with Finland) | 2010 | 20 | |
| Flowers - joint issue Japan-Russia | 2 | (with Russia) | 2018 | 4 | (incomplete) |
| Golden Years of Friendship Indonesia-Japan | 2 | (with Indonesia) | 2008 | 20 | |
| Joint issue Japan-San Marino | 2 | (with San Marino) | 2010 | 14 | |
| Joint issue Spain - Japan | 2 | (with Spain) | 2013 | 12 |