- All sections
- H - Electricity
- H01G - Capacitorscapacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices of the electrolytic type
- H01G 9/155 - Double-layer capacitors
Patent holdings for IPC class H01G 9/155
Total number of patents in this class: 110
10-year publication summary
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Corporation | 19586 |
4 |
| Siemens AG | 24200 |
3 |
| Corning Incorporated | 10422 |
3 |
| Empire Technology Development LLC | 1615 |
3 |
| Toyota Motor Corporation | 34633 |
2 |
| Nokia Corporation | 5021 |
2 |
| Koninklijke Philips Electronics N.V. | 8024 |
2 |
| Continental Automotive GmbH | 4623 |
2 |
| Seiko Instruments Inc. | 462 |
2 |
| Battelle Memorial Institute | 2587 |
2 |
| JSR Corporation | 2534 |
2 |
| Cap-xx Limited | 14 |
2 |
| JM Energy Corporation | 35 |
2 |
| Lumimove, Inc. | 15 |
2 |
| MedRelief Inc. | 13 |
2 |
| Nanotecture Ltd | 9 |
2 |
| OC Oerlikon Balzers AG | 46 |
2 |
| Riken Technos Corporation | 213 |
2 |
| Taiyo Yuden Co., Ltd. | 2014 |
2 |
| Valeo Equipements Electriques Moteur | 955 |
2 |
| Other owners | 65 |