- 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 |