Maruta; Kiyokazu
Patent Applications and Registrations
Patent applications and USPTO patent grants for Maruta; Kiyokazu.The latest application filed is for "double vacuum pump apparatus, gas purification system provided with double vacuum pump apparatus, and exhaust gas vibration suppressing device in double vacuum pump apparatus".
- Maruta; Kiyokazu - Osaka N/A JP
| Patent | Date |
|---|---|
| Double vacuum pump apparatus, gas purification system provided with double vacuum pump apparatus, and exhaust gas vibration suppressing device in double vacuum pump apparatus Grant 8,715,400 - Haruna , et al. May 6, 2 | 2014-05-06 |
| Double Vacuum Pump Apparatus, Gas Purification System Provided With Double Vacuum Pump Apparatus, And Exhaust Gas Vibration Suppressing Device In Double Vacuum Pump Apparatus App 20120255445 - Haruna; Kazuo ; et al. | 2012-10-11 |
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