- All sections
- H - Electricity
- H01G - Capacitors; capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices of the electrolytic type
- H01G 11/34 - Carbon-based characterised by carbonisation or activation of carbon
Patent holdings for IPC class H01G 11/34
Total number of patents in this class: 467
10-year publication summary
47
|
60
|
63
|
51
|
52
|
31
|
31
|
18
|
30
|
12
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Corning Incorporated | 9932 |
27 |
Kuraray Co., Ltd. | 3392 |
15 |
Asahi Kasei Kabushiki Kaisha | 2429 |
13 |
Group14 Technologies, Inc. | 73 |
13 |
BASF SE | 19740 |
7 |
The Regents of the University of California | 18943 |
7 |
Sumitomo Electric Industries, Ltd. | 14131 |
7 |
Nanotek Instruments Group, LLC | 54 |
7 |
Sony Corporation | 32931 |
6 |
GM Global Technology Operations LLC | 13620 |
6 |
FastCAP SYSTEMS Corporation | 134 |
6 |
Nippon Chemi-Con Corporation | 371 |
6 |
Nippon Oil Corporation | 340 |
6 |
Ucap Power, Inc. | 66 |
6 |
Energ2 Technologies, Inc. | 28 |
5 |
Farad Power, Inc. | 11 |
5 |
JX Nippon Oil & Energy Corporation | 1019 |
5 |
Fuji Jukogyo Kabushiki Kaisha | 87 |
5 |
Sumitomo Chemical Company, Limited | 8808 |
4 |
Toray Industries, Inc. | 6652 |
4 |
Other owners | 307 |