- All sections
- H - Electricity
- H03B - Generation of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching mannergeneration of noise by such circuits
- H03B 5/32 - Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
Patent holdings for IPC class H03B 5/32
Total number of patents in this class: 885
10-year publication summary
|
99
|
78
|
68
|
72
|
60
|
79
|
53
|
47
|
27
|
15
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 20248 |
219 |
| Daishinku Corporation | 259 |
56 |
| Nihon Dempa Kogyo Co., Ltd. | 255 |
46 |
| Murata Manufacturing Co., Ltd. | 25722 |
42 |
| Texas Instruments Incorporated | 19663 |
31 |
| Kyocera Corporation | 14335 |
16 |
| Seiko Instruments Inc. | 455 |
13 |
| Intel Corporation | 47102 |
12 |
| Samsung Electronics Co., Ltd. | 157557 |
11 |
| Txc Corporation | 38 |
10 |
| Renesas Electronics America Inc. | 531 |
9 |
| Ericsson | 22660 |
8 |
| Silicon Laboratories Inc. | 1179 |
8 |
| Asahi Kasei Microdevices Corporation | 587 |
8 |
| HRL Laboratories, LLC | 1631 |
8 |
| Apple Inc. | 58705 |
7 |
| Huawei Technologies Co., Ltd. | 123282 |
7 |
| Analog Devices, Inc. | 3321 |
7 |
| SiTime Corporation | 213 |
7 |
| Shenzhen Goodix Technology Co., Ltd. | 2391 |
7 |
| Other owners | 353 |