- All sections
- H - Electricity
- H01G - Capacitors; capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices of the electrolytic type
- H01G 4/224 - Housing; Encapsulation
Patent holdings for IPC class H01G 4/224
Total number of patents in this class: 805
10-year publication summary
|
41
|
56
|
71
|
82
|
99
|
91
|
78
|
78
|
110
|
31
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electro-mechanics Co., Ltd. | 4798 |
155 |
| Murata Manufacturing Co., Ltd. | 22355 |
120 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
54 |
| TDK Corporation | 6306 |
51 |
| Taiyo Yuden Co., Ltd. | 1809 |
51 |
| AMRAD Manufacturing, LLC | 76 |
25 |
| Shizuki Electric Co., Inc. | 51 |
12 |
| TDK Electronics AG | 863 |
12 |
| Denso Corporation | 23338 |
11 |
| Kyocera Corporation | 12735 |
11 |
| KYOCERA AVX Components Corporation | 571 |
10 |
| Panasonic Corporation | 20786 |
7 |
| KEMET Electronics Corporation | 339 |
7 |
| Nichicon Corporation | 65 |
7 |
| Nuintek Co., Ltd. | 7 |
7 |
| Hitachi Energy Ltd. | 1921 |
7 |
| Samsung Electronics Co., Ltd. | 131630 |
5 |
| Siemens AG | 24990 |
5 |
| Nippon Chemi-Con Corporation | 371 |
5 |
| Shanghai Haoye Electric Co., Ltd | 20 |
5 |
| Other owners | 238 |