- All sections
- H - Electricity
- H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducersdeaf-aid setspublic address systems
- H04R 17/00 - Piezoelectric transducersElectrostrictive transducers
Patent holdings for IPC class H04R 17/00
Total number of patents in this class: 2838
10-year publication summary
|
225
|
164
|
185
|
202
|
240
|
221
|
198
|
269
|
174
|
121
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyocera Corporation | 13884 |
206 |
| LG Display Co., Ltd. | 13815 |
197 |
| FUJIFILM Corporation | 29489 |
178 |
| Murata Manufacturing Co., Ltd. | 24650 |
177 |
| Shenzhen Shokz Co., Ltd. | 1129 |
76 |
| Panasonic Corporation | 20074 |
36 |
| Olympus Corporation | 13161 |
35 |
| Cochlear Limited | 1892 |
34 |
| Taiyo Yuden Co., Ltd. | 1939 |
34 |
| Sony Corporation | 30979 |
33 |
| Panasonic Intellectual Property Management Co., Ltd. | 31696 |
32 |
| USound GmbH | 83 |
32 |
| Konica Minolta Medical & Graphic, Inc. | 763 |
31 |
| Samsung Display Co., Ltd. | 35017 |
27 |
| Seiko Epson Corporation | 19458 |
27 |
| Rohm Co., Ltd. | 6464 |
27 |
| Denso Corporation | 24387 |
24 |
| Google LLC | 42451 |
24 |
| NEC Casio Mobile Communications, Ltd. | 429 |
24 |
| Samsung Electronics Co., Ltd. | 147131 |
23 |
| Other owners | 1561 |