- 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: 1080
10-year publication summary
|
99
|
132
|
116
|
142
|
119
|
83
|
79
|
72
|
72
|
67
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GS Yuasa International Ltd. | 2100 |
56 |
| Asahi Kasei Kabushiki Kaisha | 2719 |
47 |
| Zeon Corporation | 4116 |
39 |
| LG Energy Solution, Ltd. | 15915 |
36 |
| LG Chem, Ltd. | 17679 |
35 |
| Nippon Kodoshi Corporation | 84 |
28 |
| Toray Industries, Inc. | 7006 |
24 |
| Murata Manufacturing Co., Ltd. | 25001 |
23 |
| Panasonic Intellectual Property Management Co., Ltd. | 32457 |
23 |
| Semiconductor Energy Laboratory Co., Ltd. | 11552 |
20 |
| Asahi Kasei Battery Separator Corporation | 83 |
19 |
| Fastcap Ultracapacitors LLC | 70 |
17 |
| Avery Dennison Retail Information Services LLC | 1172 |
14 |
| Celgard, LLC | 319 |
14 |
| Tesla, Inc. | 1786 |
14 |
| The Regents of the University of California | 20289 |
12 |
| Kabushiki Kaisha Toyota Jidoshokki | 1789 |
12 |
| Nanotek Instruments Group, LLC | 51 |
12 |
| Rabin Worldwide, Inc. | 16 |
12 |
| Toyota Industries Corporation | 1153 |
11 |
| Other owners | 612 |