- 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: 662
10-year publication summary
|
37
|
39
|
59
|
41
|
50
|
42
|
50
|
34
|
26
|
25
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Intellectual Property Management Co., Ltd. | 31475 |
44 |
| Panasonic Corporation | 20099 |
36 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 21010 |
27 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12797 |
27 |
| Denso Corporation | 24316 |
26 |
| Sanyo Electric Co., Ltd. | 3684 |
25 |
| Nissan Motor Co., Ltd. | 12486 |
18 |
| Semiconductor Energy Laboratory Co., Ltd. | 11416 |
16 |
| Sumitomo Electric Industries, Ltd. | 15495 |
15 |
| Murata Manufacturing Co., Ltd. | 24542 |
14 |
| NEC Corporation | 35687 |
13 |
| Sumitomo Wiring Systems, Ltd. | 10363 |
13 |
| AutoNetworks Technologies, Ltd. | 6592 |
13 |
| GS Yuasa International Ltd. | 2034 |
13 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6273 |
13 |
| Hitachi Automotive Systems, Ltd. | 3958 |
11 |
| Sony Corporation | 31036 |
10 |
| Hitachi, Ltd. | 15495 |
10 |
| TDK Corporation | 6748 |
8 |
| NEC Energy Devices, Ltd. | 276 |
8 |
| Other owners | 302 |