- All sections
- H - Electricity
- H03F - Amplifiers
- H03F 1/24 - Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of cascode coupling, i.e. earthed cathode or emitter stage followed by earthed grid or base stage respectively in discharge-tube amplifiers
Patent holdings for IPC class H03F 1/24
Total number of patents in this class: 30
10-year publication summary
|
0
|
1
|
1
|
0
|
0
|
0
|
1
|
3
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Xueshan Technologies Inc. | 590 |
7 |
| Marvell Asia PTE, Ltd. | 6841 |
3 |
| Cavium International | 5549 |
3 |
| The Regents of the University of California | 18943 |
2 |
| Marvell International Ltd. | 1224 |
2 |
| Georgia Tech Research Corporation | 2453 |
2 |
| THX Ltd. | 73 |
2 |
| Qualcomm Incorporated | 76576 |
1 |
| Intel Corporation | 45621 |
1 |
| Analog Devices, Inc. | 3475 |
1 |
| Realtek Semiconductor Corp. | 3028 |
1 |
| Cirrus Logic, Inc. | 1719 |
1 |
| Nokia Technologies Oy | 15057 |
1 |
| Austriamicrosystems AG | 230 |
1 |
| Lehigh University | 160 |
1 |
| Hangzhou Geo-chip Technology Co., Ltd. | 11 |
1 |
| Other owners | 0 |