- All sections
- H - Electricity
- H01G - Capacitorscapacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices of the electrolytic type
- H01G 11/52 - Separators
Patent holdings for IPC class H01G 11/52
Total number of patents in this class: 1133
10-year publication summary
|
133
|
118
|
144
|
120
|
86
|
80
|
74
|
73
|
74
|
44
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GS Yuasa International Ltd. | 2246 |
56 |
| Asahi Kasei Kabushiki Kaisha | 2828 |
47 |
| Zeon Corporation | 4145 |
44 |
| LG Energy Solution, Ltd. | 18838 |
44 |
| LG Chem, Ltd. | 17921 |
36 |
| Nippon Kodoshi Corporation | 84 |
28 |
| Toray Industries, Inc. | 7096 |
24 |
| Murata Manufacturing Co., Ltd. | 25722 |
23 |
| Panasonic Intellectual Property Management Co., Ltd. | 33911 |
23 |
| Semiconductor Energy Laboratory Co., Ltd. | 11797 |
21 |
| Asahi Kasei Battery Separator Corporation | 87 |
19 |
| Fastcap Ultracapacitors LLC | 72 |
17 |
| Celgard, LLC | 311 |
15 |
| Avery Dennison Retail Information Services LLC | 1192 |
14 |
| Tesla, Inc. | 1976 |
14 |
| KYOCERA AVX Components Corporation | 652 |
13 |
| The Regents of the University of California | 20720 |
12 |
| Toyota Industries Corporation | 1209 |
12 |
| Enevate Corporation | 438 |
12 |
| Kabushiki Kaisha Toyota Jidoshokki | 1810 |
12 |
| Other owners | 647 |