- All sections
- H - Electricity
- H03H - Impedance networks, e.g. resonant circuits; resonators
- H03H 9/54 - Filters comprising resonators of piezoelectric or electrostrictive material
Patent holdings for IPC class H03H 9/54
Total number of patents in this class: 1329
10-year publication summary
|
41
|
56
|
82
|
98
|
102
|
168
|
151
|
115
|
172
|
58
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 20675 |
375 |
| Taiyo Yuden Co., Ltd. | 1742 |
105 |
| Samsung Electro-mechanics Co., Ltd. | 4499 |
75 |
| Avago Technologies International Sales Pte. Limited | 10255 |
74 |
| Qorvo US, Inc. | 1885 |
67 |
| Akoustis, Inc. | 152 |
42 |
| SnapTrack, Inc. | 722 |
39 |
| Samsung Electronics Co., Ltd. | 123537 |
31 |
| Skyworks Solutions, Inc. | 3140 |
31 |
| RF360 Europe GmbH | 151 |
29 |
| ROFS Microsystem (Tianjin) Co., Ltd | 209 |
26 |
| Intel Corporation | 46080 |
22 |
| Rf360 Singapore Pte. Ltd. | 97 |
18 |
| Qualcomm Incorporated | 70412 |
16 |
| Skyworks Global Pte. Ltd | 59 |
16 |
| Infineon Technologies AG | 8656 |
13 |
| Skyworks Filter Solutions Japan Co., Ltd. | 143 |
13 |
| STMicroelectronics SA | 1199 |
12 |
| Resonant Inc. | 54 |
12 |
| Tianjin University | 613 |
12 |
| Other owners | 301 |