- 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: 3637
10-year publication summary
|
358
|
367
|
305
|
240
|
234
|
165
|
102
|
122
|
115
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 22083 |
152 |
| Samsung Electronics Co., Ltd. | 151303 |
136 |
| Toyota Motor Corporation | 33931 |
65 |
| Apple Inc. | 57058 |
53 |
| Panasonic Intellectual Property Management Co., Ltd. | 32968 |
51 |
| Robert Bosch GmbH | 43268 |
46 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12614 |
45 |
| Qualcomm Incorporated | 88742 |
42 |
| Nissan Motor Co., Ltd. | 12698 |
40 |
| Black & Decker, Inc. | 2416 |
40 |
| Ford Global Technologies, LLC | 21070 |
39 |
| LG Energy Solution, Ltd. | 16647 |
35 |
| Hyundai Motor Company | 23203 |
34 |
| Texas Instruments Incorporated | 19553 |
32 |
| Dell Products L.P. | 15854 |
32 |
| Denso Corporation | 24991 |
31 |
| Intel Corporation | 46579 |
30 |
| Samsung SDI Co., Ltd. | 9233 |
30 |
| LG Chem, Ltd. | 17744 |
28 |
| Sony Corporation | 30608 |
27 |
| Other owners | 2649 |