- 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: 581
10-year publication summary
|
61
|
52
|
66
|
42
|
28
|
18
|
23
|
49
|
30
|
20
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Industries, Ltd. | 16437 |
36 |
| Panasonic Intellectual Property Management Co., Ltd. | 34623 |
26 |
| GS Yuasa International Ltd. | 2290 |
24 |
| Sumitomo Electric Toyama Co., Ltd. | 115 |
20 |
| The Regents of the University of California | 20960 |
17 |
| FUJIFILM Corporation | 30808 |
15 |
| Asahi Kasei Kabushiki Kaisha | 2875 |
12 |
| Fastcap Ultracapacitors LLC | 72 |
12 |
| Semiconductor Energy Laboratory Co., Ltd. | 11896 |
10 |
| Nippon Chemi-Con Corporation | 414 |
10 |
| Kabushiki Kaisha Toyota Jidoshokki | 1840 |
10 |
| Panasonic Energy Co., Ltd. | 1071 |
10 |
| Panasonic Corporation | 18616 |
9 |
| Murata Manufacturing Co., Ltd. | 25998 |
9 |
| Zeon Corporation | 4183 |
9 |
| Mitsubishi Materials Corporation | 2484 |
8 |
| Taiyo Yuden Co., Ltd. | 2062 |
8 |
| Global Energy Science, LLC (California) | 9 |
7 |
| Toyo Aluminium Kabushiki Kaisha | 351 |
7 |
| Maxell, Ltd. | 3099 |
7 |
| Other owners | 315 |