| 2004 |
- Jan., Professor of Paper Engraving, Certificate NO. 8-018
- Sep., Professor of Quilting, Quilting Studio Tokyo Certificate
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| 2003 |
- Dec., High Level of Quilting, Quilting Studio Tokyo Certificate NO. R.O.C. H-9200001/2003,12
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| 2002 |
- Dec., Basic Level of Quilting, Certificate
|
| 2000 |
- Jewelry Design, Certificate
|