• All sections
  • H - Electricity
  • H03F - Amplifiers
  • H03F 3/42 - Amplifiers with two or more amplifying elements having their dc paths in series with the load, the control electrode of each element being excited by at least part of the input signal, e.g. so-called totem-pole amplifiers

Patent holdings for IPC class H03F 3/42

Total number of patents in this class: 31

10-year publication summary

2
5
6
4
5
2
2
0
1
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
MACOM Technology Solutions Holdings, Inc.
806
3
Texas Instruments Incorporated
19405
2
Analog Devices, Inc.
3431
2
ams AG
782
2
Analog Devices International Unlimited Company
1823
2
Sony Corporation
31565
1
Sony Ericsson Mobile Communications AB
1874
1
Intel Corporation
46097
1
Texas Instruments Japan, Ltd.
1656
1
Semiconductor Components Industries, L.L.C.
5242
1
Cree, Inc.
1067
1
Fuji Electric Co., Ltd.
4956
1
Realtek Semiconductor Corp.
3197
1
Fujikura Ltd.
2861
1
Purdue Research Foundation
3471
1
Beken Corporation
90
1
Morfis Semiconductor, Inc.
5
1
THX Ltd.
71
1
Universitat Stuttgart
275
1
Shenzhen Goodix Technology Co., Ltd.
2259
1
Other owners 5