- All sections
- H - Electricity
- H02J - Circuit arrangements or systems for supplying or distributing electric power; systems for storing electric energy
- H02J 3/28 - Arrangements for balancing the load in a network by storage of energy
Patent holdings for IPC class H02J 3/28
Total number of patents in this class: 1011
10-year publication summary
50
|
86
|
81
|
81
|
103
|
129
|
79
|
98
|
113
|
47
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Strong Force TX Portfolio 2018, LLC | 145 |
40 |
Siemens AG | 24990 |
20 |
Hitachi, Ltd. | 16452 |
12 |
State Grid Corporation of China | 1308 |
11 |
General Electric Company | 18133 |
10 |
Xi'an Thermal Power Research Institute Co., Ltd. | 244 |
10 |
NEC Corporation | 32703 |
9 |
ABB Schweiz AG | 6321 |
9 |
Enel X North America, Inc. | 125 |
9 |
Robert Bosch GmbH | 40953 |
8 |
Toshiba Energy Systems & Solutions Corp. | 954 |
8 |
Hitachi Energy Ltd. | 1921 |
8 |
Kyocera Corporation | 12735 |
7 |
Johnson Controls Technology Company | 1522 |
7 |
Flexgen Power Systems, Inc. | 33 |
7 |
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
7 |
Korea Electric Power Corporation | 467 |
7 |
Evonik Degussa GmbH | 1574 |
6 |
Mitsubishi Electric Corporation | 43934 |
6 |
Samsung SDI Co., Ltd. | 6671 |
6 |
Other owners | 804 |