- All sections
- H - Electricity
- H02J - Circuit arrangements or systems for supplying or distributing electric power; systems 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: 626
10-year publication summary
|
34
|
37
|
39
|
59
|
41
|
50
|
42
|
50
|
33
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
43 |
| Panasonic Corporation | 20786 |
34 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 18739 |
29 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
27 |
| Sanyo Electric Co., Ltd. | 3926 |
25 |
| Nissan Motor Co., Ltd. | 12249 |
18 |
| Denso Corporation | 23338 |
16 |
| Semiconductor Energy Laboratory Co., Ltd. | 10902 |
16 |
| NEC Corporation | 32703 |
14 |
| Sumitomo Electric Industries, Ltd. | 14131 |
14 |
| Murata Manufacturing Co., Ltd. | 22355 |
14 |
| GS Yuasa International Ltd. | 1834 |
13 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
13 |
| Sumitomo Wiring Systems, Ltd. | 9367 |
12 |
| AutoNetworks Technologies, Ltd. | 5809 |
12 |
| Hitachi Automotive Systems, Ltd. | 3970 |
11 |
| Sony Corporation | 32931 |
10 |
| Hitachi, Ltd. | 16452 |
10 |
| TDK Corporation | 6306 |
8 |
| NEC Energy Devices, Ltd. | 276 |
8 |
| Other owners | 279 |