- All sections
- H - Electricity
- H02J - Circuit arrangements or systems for supplying or distributing electric power; systems for storing electric energy
- H02J 1/04 - Constant-current supply systems
Patent holdings for IPC class H02J 1/04
Total number of patents in this class: 117
10-year publication summary
|
18
|
11
|
6
|
14
|
9
|
9
|
8
|
6
|
5
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 40953 |
3 |
| Raytheon Company | 8535 |
3 |
| Hewlett-Packard Development Company, L.P. | 28538 |
2 |
| Cisco Technology, Inc. | 18858 |
2 |
| TDK Corporation | 6306 |
2 |
| ABB Schweiz AG | 6321 |
2 |
| Adtran, Inc. | 443 |
2 |
| AMC | 13 |
2 |
| Cobasys, LLC | 30 |
2 |
| Dialight Corporation | 233 |
2 |
| Institute of Acoustics, Chinese Academy of Sciences | 88 |
2 |
| Integra Mission Critical LLC | 25 |
2 |
| Silergy Semiconductor Technology (Hangzhou) LTD | 588 |
2 |
| Technical Consumer Products, Inc. | 92 |
2 |
| Transocean Sedco Forex Ventures Limited | 96 |
2 |
| Hall Labs, LLC | 221 |
2 |
| Mitsubishi Power, Ltd. | 1680 |
2 |
| Siemens AG | 24990 |
1 |
| Toyota Motor Corporation | 28582 |
1 |
| NEC Corporation | 32703 |
1 |
| Other owners | 78 |