- All sections
- H - Electricity
- H03H - Impedance networks, e.g. resonant circuitsresonators
- 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: 1576
10-year publication summary
|
98
|
102
|
170
|
155
|
117
|
191
|
133
|
92
|
117
|
46
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25722 |
458 |
| Qorvo US, Inc. | 2394 |
96 |
| Taiyo Yuden Co., Ltd. | 2030 |
95 |
| Samsung Electro-mechanics Co., Ltd. | 6073 |
76 |
| Skyworks Solutions, Inc. | 3947 |
76 |
| Avago Technologies International Sales Pte. Limited | 8564 |
50 |
| Akoustis Technologies Corp. | 137 |
48 |
| Tune Holdings Corp. | 119 |
44 |
| Skyworks Global Pte. Ltd | 150 |
39 |
| SnapTrack, Inc. | 519 |
30 |
| RF360 Europe GmbH | 150 |
29 |
| Rf360 Singapore Pte. Ltd. | 223 |
29 |
| ROFS Microsystem (Tianjin) Co., Ltd | 216 |
28 |
| QXONIX Inc. | 42 |
27 |
| Qualcomm Incorporated | 91997 |
25 |
| Samsung Electronics Co., Ltd. | 157557 |
24 |
| Intel Corporation | 47102 |
19 |
| Infineon Technologies AG | 8400 |
12 |
| Skyworks Filter Solutions Japan Co., Ltd. | 117 |
12 |
| Tianjin University | 900 |
12 |
| Other owners | 347 |