Yao, Yasuko
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yao, Yasuko.The latest application filed is for "material for phosphate fertilizer and method for production thereof".
- Yao, Yasuko - Kanagawa JP
- Yao, Yasuko - Tokyo JP
| Patent | Date |
|---|---|
| Material for phosphate fertilizer and method for production thereof App 20040163435 - Takahashi, Tatsuhito ; et al. | 2004-08-26 |
| Method and apparatus for treating sludge, and method and apparatus for treating wastewater utilizing the same App 20040004038 - Yamaguchi, Toyoshi ; et al. | 2004-01-08 |
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