Katsukawa; Koji
Patent Applications and Registrations
Patent applications and USPTO patent grants for Katsukawa; Koji.The latest application filed is for "process of leaching gold".
- Katsukawa; Koji - Hitachi JP
- KATSUKAWA; Koji - Hitachi-shi JP
| Patent | Date |
|---|---|
| Process of leaching gold Grant 9,593,394 - Sano , et al. March 14, 2 | 2017-03-14 |
| Method of leaching copper and gold from sulfide ores Grant 9,290,827 - Hatano , et al. March 22, 2 | 2016-03-22 |
| Process of leaching gold Grant 9,045,811 - Sano , et al. June 2, 2 | 2015-06-02 |
| Method of recovering gold from dilute gold solution Grant 8,911,533 - Hatano , et al. December 16, 2 | 2014-12-16 |
| Process of Leaching Gold App 20140331822 - SANO; Masaki ; et al. | 2014-11-13 |
| Process Of Leaching Gold App 20120304828 - SANO; Masaki ; et al. | 2012-12-06 |
| Method Of Recovering Gold From Dilute Gold Solution App 20120234138 - HATANO; Kazuhiro ; et al. | 2012-09-20 |
| Method Of Leaching Copper And Gold From Sulfide Ores App 20120222519 - HATANO; Kazuhiro ; et al. | 2012-09-06 |
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