HANGZHOU QISU TECHNOLOGY CO., LTD.
Patent Applications and Registrations
Patent applications and USPTO patent grants for HANGZHOU QISU TECHNOLOGY CO., LTD..The latest application filed is for "one-way glass based on persistence of vision of human eyes".
- HANGZHOU QISU TECHNOLOGY CO., LTD. - Hangzhou CN
| Patent | Date |
|---|---|
| One-way glass based on persistence of vision of human eyes Grant 11,249,328 - Xia February 15, 2 | 2022-02-15 |
| One-way Glass Based On Persistence Of Vision Of Human Eyes App 20220043286 - XIA; Nan | 2022-02-10 |
| Pulse density modulation method and pulse density value signal conversion circuit Grant 10,886,941 - Xia January 5, 2 | 2021-01-05 |
| Pulse Density Modulation Method And Pulse Density Value Signal Conversion Circuit App 20200382132 - XIA; Nan | 2020-12-03 |
| Follow-up control device for an exoskeleton robot Grant 10,421,185 - Xia Sept | 2019-09-24 |
| Follow-up Control Device For Exoskeleton Robot App 20180361570 - XIA; Nan | 2018-12-20 |
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