- All sections
- H - Electricity
- H01G - Capacitorscapacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices of the electrolytic type
- H01G 4/20 - Dielectrics using combinations of dielectrics from more than one of groups
Patent holdings for IPC class H01G 4/20
Total number of patents in this class: 182
10-year publication summary
|
14
|
18
|
15
|
13
|
11
|
7
|
7
|
4
|
5
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TDK Corporation | 6803 |
10 |
| Murata Manufacturing Co., Ltd. | 25506 |
8 |
| Carver Scientific, Inc. | 36 |
8 |
| International Business Machines Corporation | 62182 |
7 |
| The Penn State Research Foundation | 1589 |
6 |
| 3m Innovative Properties Company | 17511 |
5 |
| Samsung Electro-mechanics Co., Ltd. | 5833 |
5 |
| Kyocera Corporation | 14241 |
5 |
| Daikin Industries, Ltd. | 10375 |
5 |
| Taiyo Yuden Co., Ltd. | 2012 |
5 |
| Micron Technology, Inc. | 27266 |
4 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 47211 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 33462 |
4 |
| KEMET Electronics Corporation | 321 |
4 |
| Mitsui Mining & Smelting Co., Ltd. | 1375 |
4 |
| Mitsubishi Materials Corporation | 2459 |
3 |
| Powdermet, Inc. | 44 |
3 |
| The Secretary of State for Defence | 413 |
3 |
| Giesecke+Devrient Currency Technology GmbH | 934 |
3 |
| Industrial Technology Research Institute | 5079 |
2 |
| Other owners | 84 |