Patent holdings for IPC class H03F 99/00

Total number of patents in this class: 177

10-year publication summary

24
16
3
3
3
3
3
4
1
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Cirrus Logic, Inc.
1769
17
Bose Corporation
2980
9
Qualcomm Incorporated
84847
7
Texas Instruments Incorporated
19494
6
Rohm Co., Ltd.
6429
6
Cirrus Logic International Semiconductor Ltd.
864
5
Crestron Electronics Inc.
704
5
Hewlett-Packard Development Company, L.P.
25910
4
Yamaha Corporation
4092
4
Toshiba Corporation
12317
3
HTC Corporation
2292
3
Fortemedia, Inc.
142
3
Harman International Industries, Incorporated
2635
3
Logitech Europe S.A.
1311
3
Apple Inc.
54610
2
Robert Bosch GmbH
42614
2
Infineon Technologies AG
8209
2
Panasonic Intellectual Property Management Co., Ltd.
31201
2
Mediatek Inc.
5091
2
Semiconductor Components Industries, L.L.C.
5252
2
Other owners 87