- All sections
- H - Electricity
- H01G - Capacitors; capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices of the electrolytic type
- H01G 9/02 - Diaphragms; Separators
Patent holdings for IPC class H01G 9/02
Total number of patents in this class: 574
10-year publication summary
|
38
|
35
|
47
|
32
|
38
|
30
|
20
|
30
|
20
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Kodoshi Corporation | 78 |
42 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
37 |
| Nippon Chemi-Con Corporation | 371 |
28 |
| KYOCERA AVX Components Corporation | 571 |
19 |
| Sanyo Electric Co., Ltd. | 3926 |
16 |
| Pacesetter, Inc. | 1528 |
15 |
| Murata Manufacturing Co., Ltd. | 22355 |
14 |
| Toray Industries, Inc. | 6652 |
14 |
| Panasonic Corporation | 20786 |
12 |
| Greatbatch Ltd. | 351 |
10 |
| Kuraray Co., Ltd. | 3392 |
9 |
| TDK Electronics AG | 863 |
9 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
8 |
| KEMET Electronics Corporation | 339 |
8 |
| Mitsubishi Paper Mills Limited | 246 |
7 |
| Maxell, Ltd. | 2533 |
7 |
| Nitto Denko Corporation | 7879 |
6 |
| Cardiac Pacemakers, Inc. | 3115 |
6 |
| Shin-Etsu Polymer Co., Ltd. | 446 |
6 |
| SUN Electronic Industries Corp. | 26 |
6 |
| Other owners | 295 |