- 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 5/12 - Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
Patent holdings for IPC class H03B 5/12
Total number of patents in this class: 1214
10-year publication summary
130
|
115
|
109
|
101
|
121
|
93
|
88
|
62
|
48
|
46
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Qualcomm Incorporated | 86023 |
88 |
Texas Instruments Incorporated | 19450 |
50 |
Taiwan Semiconductor Manufacturing Company, Ltd. | 43064 |
45 |
Huawei Technologies Co., Ltd. | 113340 |
37 |
Apple Inc. | 55287 |
31 |
Intel Corporation | 47062 |
28 |
Samsung Electronics Co., Ltd. | 147131 |
27 |
International Business Machines Corporation | 61353 |
27 |
Telefonaktiebolaget LM Ericsson (publ) | 28179 |
26 |
Ericsson | 21833 |
25 |
Skyworks Solutions, Inc. | 3739 |
25 |
STMicroelectronics S.r.l. | 3605 |
23 |
Seiko Epson Corporation | 19458 |
20 |
Mediatek Inc. | 5146 |
19 |
Infineon Technologies AG | 8244 |
18 |
Realtek Semiconductor Corp. | 3297 |
15 |
Marvell Asia PTE, Ltd. | 6530 |
14 |
Xilinx, Inc. | 3987 |
13 |
Sony Semiconductor Solutions Corporation | 10547 |
13 |
Cavium International | 5000 |
13 |
Other owners | 657 |