- All sections
- H - Electricity
- H01G - Capacitorscapacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices of the electrolytic type
- H01G 11/70 - Current collectors characterised by their structure
Patent holdings for IPC class H01G 11/70
Total number of patents in this class: 549
10-year publication summary
|
46
|
61
|
52
|
64
|
42
|
28
|
18
|
23
|
46
|
18
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Industries, Ltd. | 15511 |
36 |
| Panasonic Intellectual Property Management Co., Ltd. | 31515 |
20 |
| GS Yuasa International Ltd. | 2041 |
20 |
| Sumitomo Electric Toyama Co., Ltd. | 107 |
20 |
| The Regents of the University of California | 19943 |
17 |
| FUJIFILM Corporation | 29424 |
15 |
| Asahi Kasei Kabushiki Kaisha | 2677 |
12 |
| Fastcap Ultracapacitors LLC | 67 |
11 |
| Panasonic Corporation | 20093 |
10 |
| Semiconductor Energy Laboratory Co., Ltd. | 11416 |
10 |
| Kabushiki Kaisha Toyota Jidoshokki | 1757 |
10 |
| Murata Manufacturing Co., Ltd. | 24575 |
9 |
| Nippon Chemi-Con Corporation | 404 |
9 |
| Zeon Corporation | 4078 |
9 |
| Panasonic Energy Co., Ltd. | 924 |
9 |
| Mitsubishi Materials Corporation | 2448 |
8 |
| Taiyo Yuden Co., Ltd. | 1939 |
8 |
| Global Energy Science, LLC (California) | 9 |
7 |
| Toyo Aluminium Kabushiki Kaisha | 352 |
7 |
| Graphenix Development, Inc. | 51 |
6 |
| Other owners | 296 |