- All sections
- H - Electricity
- H02J - Circuit arrangements or systems for supplying or distributing electric power; systems for storing electric energy
- H02J 7/04 - Regulation of the charging current or voltage
Patent holdings for IPC class H02J 7/04
Total number of patents in this class: 3528
10-year publication summary
285
|
381
|
361
|
374
|
311
|
243
|
240
|
163
|
98
|
38
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 18739 |
154 |
Samsung Electronics Co., Ltd. | 131630 |
130 |
Toyota Motor Corporation | 28582 |
67 |
Apple Inc. | 50209 |
53 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
48 |
Robert Bosch GmbH | 40953 |
46 |
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
46 |
Qualcomm Incorporated | 76576 |
43 |
Black & Decker, Inc. | 2402 |
41 |
Nissan Motor Co., Ltd. | 12249 |
38 |
Ford Global Technologies, LLC | 19702 |
37 |
LG Energy Solution, Ltd. | 10813 |
36 |
Dell Products L.P. | 11144 |
33 |
Texas Instruments Incorporated | 19376 |
32 |
Samsung SDI Co., Ltd. | 6671 |
32 |
Intel Corporation | 45621 |
30 |
Hyundai Motor Company | 19021 |
30 |
Sony Corporation | 32931 |
29 |
LG Chem, Ltd. | 17205 |
28 |
Denso Corporation | 23338 |
28 |
Other owners | 2547 |