Facial massager
US-10111805-B2 · Oct 30, 2018 · US
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Hwang Cheonghwan patents
Hwang Cheonghwan is listed as an inventor on 10 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Hwang Cheonghwan |
| Total patents | 10 |
| First publication | Feb 5, 2015 |
| Latest publication | Oct 30, 2018 |
Notable patents
Publications ranked by popularity score, then publication date.
Electric module for stimulating skin
US-9962315-B2 · May 8, 2018 · US
Face massaging device
US-9744096-B2 · Aug 29, 2017 · US
Facial cleansing apparatus using electric motor and spring, control method therefor, and recording medium recording program for performing control method
US-9717376-B2 · Aug 1, 2017 · US
Skin washing machine using brushless DC motor, method of controlling same, and program recording medium for performing the controlling method
US-9578998-B2 · Feb 28, 2017 · US
Facial cleansing apparatus using electric motor and spring, control method therefor, and recording medium recording program for performing control method
US-2016278584-A1 · Sep 29, 2016 · US
Container for skin care with heating massage function
US-9364649-B2 · Jun 14, 2016 · US
Hairdressing device having gear module for reducing rotational speed
US-9314095-B2 · Apr 19, 2016 · US
Hairdressing device having gear module for reducing rotational speed
US-2015189980-A1 · Jul 9, 2015 · US
Container for skin care with heating massage function
US-2015038926-A1 · Feb 5, 2015 · US
Recent patents
Latest publications not already listed above.
No data yet.
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Amorepacific Corp | 10 |
| Sentronix Co Ltd | 4 |
| Lee Changkeun | 3 |
| Shin Taehong | 3 |
| Yi Seunghwan | 3 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| A61H2205/022 | 5 |
| A46B13/008 | 5 |
| A47K7/043 | 5 |
| A61H23/02 | 5 |
| A61H23/0263 | 4 |