- All sections
- H - Electricity
- H03B - Generation of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner; generation 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: 855
10-year publication summary
|
84
|
78
|
99
|
78
|
68
|
71
|
60
|
74
|
49
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 18724 |
207 |
| Daishinku Corporation | 220 |
46 |
| Nihon Dempa Kogyo Co., Ltd. | 265 |
42 |
| Murata Manufacturing Co., Ltd. | 22355 |
39 |
| Texas Instruments Incorporated | 19376 |
30 |
| Kyocera Corporation | 12735 |
16 |
| Seiko Instruments Inc. | 660 |
14 |
| Intel Corporation | 45621 |
12 |
| Integrated Device Technology, Inc. | 736 |
10 |
| Samsung Electronics Co., Ltd. | 131630 |
9 |
| Ericsson | 20417 |
9 |
| Huawei Technologies Co., Ltd. | 100781 |
7 |
| Analog Devices, Inc. | 3475 |
7 |
| Microchip Technology Incorporated | 2644 |
7 |
| Qualcomm Incorporated | 76576 |
6 |
| Panasonic Corporation | 20786 |
6 |
| Mediatek Inc. | 4584 |
6 |
| Asahi Kasei Microdevices Corporation | 461 |
6 |
| HRL Laboratories, LLC | 1588 |
6 |
| Interchip Corporation | 8 |
6 |
| Other owners | 364 |