- All sections
- H - Electricity
- H02J - Circuit arrangements or systems for supplying or distributing electric powersystems for storing electric energy
- H02J 7/10 - Regulation of the charging current or voltage using discharge tubes or semiconductor devices using semiconductor devices only
Patent holdings for IPC class H02J 7/10
Total number of patents in this class: 709
10-year publication summary
|
39
|
60
|
41
|
50
|
42
|
50
|
34
|
27
|
37
|
35
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Intellectual Property Management Co., Ltd. | 33792 |
50 |
| Panasonic Corporation | 19134 |
34 |
| Denso Corporation | 25471 |
27 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 23129 |
27 |
| Sanyo Electric Co., Ltd. | 3416 |
25 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12412 |
25 |
| Nissan Motor Co., Ltd. | 12919 |
20 |
| GS Yuasa International Ltd. | 2243 |
17 |
| Sumitomo Electric Industries, Ltd. | 16273 |
16 |
| Semiconductor Energy Laboratory Co., Ltd. | 11775 |
16 |
| Murata Manufacturing Co., Ltd. | 25700 |
15 |
| Sumitomo Wiring Systems, Ltd. | 10954 |
14 |
| AutoNetworks Technologies, Ltd. | 7059 |
14 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6189 |
13 |
| NEC Corporation | 36830 |
12 |
| Hitachi Automotive Systems, Ltd. | 3954 |
11 |
| Sony Corporation | 30244 |
10 |
| Hitachi, Ltd. | 16031 |
10 |
| TDK Corporation | 6841 |
8 |
| Kubota Corporation | 4377 |
8 |
| Other owners | 337 |