Hiwatashi; Yasunori
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hiwatashi; Yasunori.The latest application filed is for "ultrasonic vibration sieving apparatus and process for purifying carbon black by using the apparatus".
- Hiwatashi; Yasunori - Kitakyushu JP
| Patent | Date |
|---|---|
| Ultrasonic vibration sieving apparatus and process for purifying carbon black by using the apparatus Grant 4,693,879 - Yoshimura , et al. September 15, 1 | 1987-09-15 |
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