| 2024.03.15 | - revised the top page and the porccelain painting school guide. |
| 2017.08.31 | - added hasegawatokuyuki.pdf to the essey page. |
| 2017.04.06 | - updated several pages. |
| 2016.08.21 | - updated porcelain plate page. |
| 2016.08.19 | - updated several pages. |
| 2016.05.02 | - HOMEPAGE MOVED to COOCAN server. |
| 2002.05.04 | Homepage established |