• 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

1
2
5
6
4
5
2
2
0
0
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
MACOM Technology Solutions Holdings, Inc.
784
3
Texas Instruments Incorporated
19376
2
Analog Devices, Inc.
3475
2
ams AG
807
2
Universitat Stuttgart
280
2
Analog Devices International Unlimited Company
1724
2
Sony Corporation
32931
1
Sony Ericsson Mobile Communications AB
2014
1
Intel Corporation
45621
1
Texas Instruments Japan, Ltd.
1656
1
Semiconductor Components Industries, L.L.C.
5345
1
Cree, Inc.
1157
1
Fuji Electric Co., Ltd.
4750
1
Realtek Semiconductor Corp.
3028
1
Purdue Research Foundation
3277
1
Beken Corporation
85
1
Morfis Semiconductor, Inc.
5
1
THX Ltd.
73
1
Shenzhen Goodix Technology Co., Ltd.
2241
1
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
6132
1
Other owners 4