- All sections
- H - Electricity
- H02J - Circuit arrangements or systems for supplying or distributing electric powersystems 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: 3617
10-year publication summary
379
|
358
|
367
|
305
|
240
|
234
|
163
|
101
|
120
|
95
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 21347 |
151 |
Samsung Electronics Co., Ltd. | 148077 |
135 |
Toyota Motor Corporation | 33077 |
65 |
Apple Inc. | 55735 |
53 |
Panasonic Intellectual Property Management Co., Ltd. | 32095 |
50 |
Robert Bosch GmbH | 42861 |
46 |
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12741 |
46 |
Qualcomm Incorporated | 86990 |
43 |
Black & Decker, Inc. | 2406 |
40 |
Ford Global Technologies, LLC | 20769 |
39 |
Nissan Motor Co., Ltd. | 12593 |
39 |
LG Energy Solution, Ltd. | 15482 |
35 |
Hyundai Motor Company | 22484 |
34 |
Samsung SDI Co., Ltd. | 8740 |
33 |
Dell Products L.P. | 14875 |
33 |
Texas Instruments Incorporated | 19450 |
32 |
Intel Corporation | 46921 |
30 |
Denso Corporation | 24588 |
30 |
LG Chem, Ltd. | 17680 |
28 |
Sony Corporation | 30901 |
27 |
Other owners | 2628 |