Speaker
US-2017347200-A1 · Nov 30, 2017 · US
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Zhou Rongguan patents in 2017
Zhou Rongguan was listed as an assignee on 11 patent publications in 2017.
| Metric | Value |
|---|---|
| Company | Zhou Rongguan |
| Year | 2017 |
| Patents | 11 |
Patents
Representative publications for Zhou Rongguan in 2017.
Vibration speaker
US-9813822-B2 · Nov 7, 2017 · US
Electronic device with sound generator
US-9747762-B1 · Aug 29, 2017 · US
Linear Vibration Motor
US-2017222532-A1 · Aug 3, 2017 · US
Panel-form loudspeaker
US-9716949-B2 · Jul 25, 2017 · US
Top CPC classifications
Most common classification codes for Zhou Rongguan in 2017.
| CPC | Patents |
|---|---|
| H02K33/16 | 3 |
| H04R2499/11 | 3 |
| H04R7/045 | 3 |
| H02K33/12 | 2 |
| H02P25/032 | 2 |
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