Tsukiyama; Yoichi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tsukiyama; Yoichi.The latest application filed is for "color-recovering agent".
- Tsukiyama; Yoichi - Wakayama JP
| Patent | Date |
|---|---|
| Color-recovering agent Grant 7,003,834 - Yamada , et al. February 28, 2 | 2006-02-28 |
| Color-recovering agent App 20030141489 - Yamada, Isao ; et al. | 2003-07-31 |
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