- All sections
- H - Electricity
- H01G - Capacitorscapacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices of the electrolytic type
- H01G 9/02 - DiaphragmsSeparators
Patent holdings for IPC class H01G 9/02
Total number of patents in this class: 576
10-year publication summary
|
35
|
47
|
32
|
38
|
30
|
21
|
30
|
20
|
28
|
19
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Intellectual Property Management Co., Ltd. | 31475 |
52 |
| Nippon Kodoshi Corporation | 83 |
42 |
| Nippon Chemi-Con Corporation | 402 |
30 |
| KYOCERA AVX Components Corporation | 628 |
19 |
| Pacesetter, Inc. | 1491 |
17 |
| Murata Manufacturing Co., Ltd. | 24542 |
14 |
| Toray Industries, Inc. | 6945 |
14 |
| Sanyo Electric Co., Ltd. | 3684 |
13 |
| Panasonic Corporation | 20099 |
10 |
| Greatbatch Ltd. | 352 |
10 |
| TDK Electronics AG | 934 |
10 |
| KEMET Electronics Corporation | 331 |
8 |
| Kuraray Co., Ltd. | 3503 |
8 |
| Maxell, Ltd. | 2801 |
8 |
| Elna Co., Ltd. | 16 |
7 |
| Mitsubishi Paper Mills Limited | 232 |
7 |
| SUN Electronic Industries Corp. | 29 |
7 |
| Nitto Denko Corporation | 8241 |
6 |
| Cardiac Pacemakers, Inc. | 2946 |
6 |
| Asahi Kasei Kabushiki Kaisha | 2675 |
6 |
| Other owners | 282 |