- All sections
- H - Electricity
- H01G - Capacitorscapacitors, 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: 765
10-year publication summary
29
|
37
|
53
|
73
|
59
|
87
|
75
|
85
|
70
|
53
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Murata Manufacturing Co., Ltd. | 24478 |
114 |
Panasonic Intellectual Property Management Co., Ltd. | 31273 |
79 |
AMRAD Manufacturing, LLC | 92 |
65 |
Shizuki Electric Co., Inc. | 64 |
49 |
Kyocera Corporation | 13792 |
44 |
Oji Holdings Corporation | 718 |
40 |
Toray Industries, Inc. | 6935 |
20 |
TDK Electronics AG | 933 |
20 |
Nichicon Corporation | 72 |
16 |
Capacitor Sciences Incorporated | 58 |
14 |
Hitachi Energy Ltd. | 2198 |
11 |
Siemens AG | 24518 |
8 |
Mitsubishi Electric Corporation | 45998 |
8 |
Denso Corporation | 24248 |
7 |
Robert Bosch GmbH | 42647 |
6 |
ABB Schweiz AG | 6942 |
6 |
Apaq Technology Co., Ltd. | 57 |
6 |
Panasonic Corporation | 20128 |
5 |
Sanyo Electric Co., Ltd. | 3695 |
5 |
Saga Sanyo Industries Co., Ltd. | 36 |
5 |
Other owners | 237 |