- 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: 2904
10-year publication summary
|
164
|
185
|
202
|
240
|
222
|
204
|
276
|
180
|
158
|
22
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyocera Corporation | 14206 |
206 |
| LG Display Co., Ltd. | 14188 |
204 |
| FUJIFILM Corporation | 30137 |
180 |
| Murata Manufacturing Co., Ltd. | 25356 |
173 |
| Shenzhen Shokz Co., Ltd. | 1267 |
89 |
| Panasonic Corporation | 19843 |
36 |
| Olympus Corporation | 13041 |
35 |
| Taiyo Yuden Co., Ltd. | 2011 |
35 |
| Cochlear Limited | 1952 |
34 |
| Sony Corporation | 30518 |
33 |
| Panasonic Intellectual Property Management Co., Ltd. | 33202 |
32 |
| USound GmbH | 82 |
32 |
| Konica Minolta Medical & Graphic, Inc. | 664 |
31 |
| Rohm Co., Ltd. | 6711 |
29 |
| Samsung Display Co., Ltd. | 37493 |
28 |
| Seiko Epson Corporation | 19895 |
28 |
| Samsung Electronics Co., Ltd. | 152534 |
24 |
| Google LLC | 43583 |
24 |
| NEC Casio Mobile Communications, Ltd. | 428 |
24 |
| Robert Bosch GmbH | 43428 |
23 |
| Other owners | 1604 |