Wakao; Yoshiharu
Patent Applications and Registrations
Patent applications and USPTO patent grants for Wakao; Yoshiharu.The latest application filed is for "method for treating ship ballast water".
- Wakao; Yoshiharu - Osaka JP
| Patent | Date |
|---|---|
| Method for treating ship ballast water Grant 8,123,958 - Fukuyo , et al. February 28, 2 | 2012-02-28 |
| Method for Treating Ship Ballast Water App 20090294382 - Fukuyo; Yasuo ; et al. | 2009-12-03 |
| Method for treating ship ballast water Grant 7,618,545 - Wakao , et al. November 17, 2 | 2009-11-17 |
| Method for treating ship ballast water App 20060289364 - Wakao; Yoshiharu ; et al. | 2006-12-28 |
| Method for preventing obstruction in aluminum brass pipes in a water flow path Grant 6,106,770 - Ohki , et al. August 22, 2 | 2000-08-22 |
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