- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 19/00 - Fixed transformers or mutual inductances of the signal type
Patent holdings for IPC class H01F 19/00
Total number of patents in this class: 86
10-year publication summary
|
6
|
1
|
9
|
14
|
5
|
7
|
6
|
7
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 23881 |
22 |
| Mitsubishi Electric Corporation | 45068 |
4 |
| Rohm Co., Ltd. | 6405 |
3 |
| The MITRE Corporation | 426 |
3 |
| Apple Inc. | 53192 |
2 |
| Texas Instruments Incorporated | 19430 |
2 |
| Huawei Technologies Co., Ltd. | 107770 |
2 |
| Samsung Electro-mechanics Co., Ltd. | 5254 |
2 |
| TDK Corporation | 6573 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 30018 |
2 |
| Realtek Semiconductor Corp. | 3218 |
2 |
| Nidec-Read Corporation | 166 |
2 |
| Phoenix Contact GmbH & Co. KG | 2254 |
2 |
| PPC Broadband, Inc. | 1017 |
2 |
| Energo Group Canada Inc. | 7 |
2 |
| International Business Machines Corporation | 60336 |
1 |
| Sumitomo Electric Industries, Ltd. | 15070 |
1 |
| Hon Hai Precision Industry Co., Ltd. | 4040 |
1 |
| Raytheon Company | 8425 |
1 |
| Dell Products L.P. | 13358 |
1 |
| Other owners | 27 |