GUO; Hongfeng
Patent Applications and Registrations
Patent applications and USPTO patent grants for GUO; Hongfeng.The latest application filed is for "online detection device and method for piezoelectric device".
- GUO; Hongfeng - Beijing CN
Trademarks
| Patent | Date |
|---|---|
| Online Detection Device And Method For Piezoelectric Device App 20220283023 - DU; Chaoliang ; et al. | 2022-09-08 |
| Piezoelectric sensing apparatus and applications thereof Grant 11,301,077 - Du , et al. April 12, 2 | 2022-04-12 |
| Touch Pad Pressure Detection Method And Apparatus, Storage Medium And Computer Device App 20220100308 - DU; Chaoliang ; et al. | 2022-03-31 |
| Piezoelectric Sensing Apparatus and Applications Thereof App 20190267995 - Du; Chaoliang ; et al. | 2019-08-29 |
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