Sun; Changhwa
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sun; Changhwa.The latest application filed is for "robot cleaner".
- Sun; Changhwa - Seoul KR
| Patent | Date |
|---|---|
| Cleaner Grant 11,399,677 - Sun August 2, 2 | 2022-08-02 |
| Suction nozzle and cleaner Grant 11,253,122 - Sun , et al. February 22, 2 | 2022-02-22 |
| Robot Cleaner App 20210330148 - SUN; Changhwa ; et al. | 2021-10-28 |
| Robot Cleaner App 20210330160 - SUN; Changhwa ; et al. | 2021-10-28 |
| Cleaner Grant 10,568,482 - Sun , et al. Feb | 2020-02-25 |
| Moving robot and control method thereof Grant 10,571,928 - Sun , et al. Feb | 2020-02-25 |
| Robot cleaner Grant 10,548,444 - Sun , et al. Fe | 2020-02-04 |
| Autonomous cleaner Grant 10,463,212 - Nam , et al. No | 2019-11-05 |
| Moving Robot And Control Method Thereof App 20190324472 - SUN; Changhwa ; et al. | 2019-10-24 |
| Moving robot and control method thereof Grant 10,372,140 - Sun , et al. | 2019-08-06 |
| Suction Nozzle And Cleaner App 20190231155 - SUN; Changhwa ; et al. | 2019-08-01 |
| Robot Cleaner App 20190231156 - SUN; Changhwa ; et al. | 2019-08-01 |
| Cleaner Grant 10,258,212 - Nam , et al. | 2019-04-16 |
| Robot cleaner Grant 10,150,216 - Sun , et al. Dec | 2018-12-11 |
| Cleaner App 20180199774 - SUN; Changhwa | 2018-07-19 |
| Robot Cleaner App 20180184867 - SUN; Changhwa ; et al. | 2018-07-05 |
| Cleaner App 20180184871 - SUN; Changhwa ; et al. | 2018-07-05 |
| Autonomous Cleaner App 20170332857 - NAM; Bohyun ; et al. | 2017-11-23 |
| Cleaner App 20170332859 - NAM; Bohyun ; et al. | 2017-11-23 |
| Moving Robot And Control Method Thereof App 20170315560 - SUN; Changhwa ; et al. | 2017-11-02 |
| Robot Cleaner App 20140257565 - SUN; Changhwa ; et al. | 2014-09-11 |
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