- All sections
- H - Electricity
- H01G - Capacitorscapacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices of the electrolytic type
- H01G 4/224 - HousingEncapsulation
Patent holdings for IPC class H01G 4/224
Total number of patents in this class: 956
10-year publication summary
|
56
|
71
|
82
|
99
|
91
|
78
|
80
|
115
|
107
|
70
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electro-mechanics Co., Ltd. | 5612 |
198 |
| Murata Manufacturing Co., Ltd. | 24503 |
160 |
| Panasonic Intellectual Property Management Co., Ltd. | 31330 |
62 |
| Taiyo Yuden Co., Ltd. | 1935 |
59 |
| TDK Corporation | 6720 |
53 |
| HVAC South, LLC | 84 |
28 |
| Shizuki Electric Co., Inc. | 64 |
16 |
| Denso Corporation | 24259 |
13 |
| Nichicon Corporation | 72 |
13 |
| TDK Electronics AG | 933 |
13 |
| Kyocera Corporation | 13800 |
12 |
| KYOCERA AVX Components Corporation | 629 |
10 |
| KEMET Electronics Corporation | 331 |
8 |
| Panasonic Corporation | 20124 |
7 |
| Intel Corporation | 46962 |
7 |
| Nuintek Co., Ltd. | 7 |
7 |
| Hitachi Energy Ltd. | 2204 |
7 |
| Apaq Technology Co., Ltd. | 57 |
6 |
| AMRAD Manufacturing, LLC | 17 |
6 |
| Samsung Electronics Co., Ltd. | 145864 |
5 |
| Other owners | 266 |