- All sections
- H - Electricity
- H01G - Capacitors; capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices of the electrolytic type
- H01G 4/32 - Wound capacitors
Patent holdings for IPC class H01G 4/32
Total number of patents in this class: 680
10-year publication summary
|
20
|
29
|
37
|
53
|
73
|
59
|
86
|
74
|
82
|
27
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 22355 |
89 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
69 |
| AMRAD Manufacturing, LLC | 76 |
55 |
| Kyocera Corporation | 12735 |
44 |
| Shizuki Electric Co., Inc. | 51 |
38 |
| Oji Holdings Corporation | 660 |
31 |
| TDK Electronics AG | 863 |
17 |
| Toray Industries, Inc. | 6652 |
15 |
| Capacitor Sciences Incorporated | 65 |
15 |
| Nichicon Corporation | 65 |
12 |
| Hitachi Energy Ltd. | 1921 |
12 |
| Siemens AG | 24990 |
8 |
| Panasonic Corporation | 20786 |
7 |
| Mitsubishi Electric Corporation | 43934 |
6 |
| Sanyo Electric Co., Ltd. | 3926 |
6 |
| Saga Sanyo Industries Co., Ltd. | 45 |
6 |
| ABB Schweiz AG | 6321 |
6 |
| Nippon Chemi-Con Corporation | 371 |
6 |
| Robert Bosch GmbH | 40953 |
5 |
| Daikin Industries, Ltd. | 9495 |
5 |
| Other owners | 228 |