Chien; Hung-Hsuan
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chien; Hung-Hsuan.The latest application filed is for "wearable air purifier".
- Chien; Hung-Hsuan - Taipei City TW
- Chien; Hung-Hsuan - Taipei TW
| Patent | Date |
|---|---|
| Wearable Air Purifier App 20220032318 - Chien; Hung-Hsuan ; et al. | 2022-02-03 |
| Negative Ion Generator, Wearable Air Purifier Having The Aforementioned Negative Ion Generator, And Method Of Manufacturing The Aforementioned Negative Ion Generator App 20210128776 - Chien; Hung-Hsuan ; et al. | 2021-05-06 |
| Apparatus and method for safeguarding vehicles Grant 10,093,236 - Chien , et al. October 9, 2 | 2018-10-09 |
| Apparatus and Method For Safeguarding Vehicles App 20160137141 - Chien; Hung-Hsuan ; et al. | 2016-05-19 |
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