- All sections
- H - Electricity
- H01G - Capacitors; capacitors, 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: 949
10-year publication summary
|
99
|
100
|
133
|
117
|
144
|
119
|
85
|
77
|
71
|
27
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Asahi Kasei Kabushiki Kaisha | 2429 |
50 |
| GS Yuasa International Ltd. | 1834 |
46 |
| LG Chem, Ltd. | 17205 |
35 |
| Zeon Corporation | 3854 |
31 |
| LG Energy Solution, Ltd. | 10813 |
30 |
| Nippon Kodoshi Corporation | 78 |
26 |
| Murata Manufacturing Co., Ltd. | 22355 |
24 |
| Toray Industries, Inc. | 6652 |
24 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
20 |
| Semiconductor Energy Laboratory Co., Ltd. | 10902 |
18 |
| Printed Energy Pty Ltd | 48 |
18 |
| FastCAP SYSTEMS Corporation | 134 |
17 |
| The Regents of the University of California | 18943 |
12 |
| Kabushiki Kaisha Toyota Jidoshokki | 1699 |
12 |
| Nanotek Instruments Group, LLC | 54 |
12 |
| Toyota Industries Corporation | 1010 |
11 |
| Celgard, LLC | 273 |
11 |
| Taiyo Yuden Co., Ltd. | 1809 |
11 |
| Enevate Corporation | 368 |
10 |
| Kuraray Co., Ltd. | 3392 |
10 |
| Other owners | 521 |