- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit arrangements for electric light sources, in general
- H05B 39/02 - Switching-on, e.g. with predetermined rate of increase of lighting current
Patent holdings for IPC class H05B 39/02
Total number of patents in this class: 82
10-year publication summary
|
7
|
2
|
9
|
6
|
2
|
3
|
0
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 7592 |
5 |
| Panasonic Corporation | 20074 |
3 |
| OSRAM GmbH | 2383 |
3 |
| Ivani, LLC | 82 |
3 |
| Leviton Manufacturing Co., Inc. | 816 |
3 |
| Samsung Electronics Co., Ltd. | 147131 |
2 |
| Hubbell Incorporated | 3286 |
2 |
| ABL IP Holding LLC | 1900 |
2 |
| Koito Manufacturing Co., Ltd. | 2260 |
2 |
| Shenzhen Hongguangcheng Industry Co., Ltd. | 2 |
2 |
| STMicroelectronics International N.V. | 3230 |
2 |
| Noon Home, Inc. | 22 |
2 |
| Hewlett-Packard Development Company, L.P. | 25841 |
1 |
| Semiconductor Energy Laboratory Co., Ltd. | 11456 |
1 |
| Murata Manufacturing Co., Ltd. | 24650 |
1 |
| Marvell International Ltd. | 1177 |
1 |
| Rohm Co., Ltd. | 6464 |
1 |
| Semiconductor Components Industries, L.L.C. | 5270 |
1 |
| Innolux Corporation | 3305 |
1 |
| Continental Automotive GmbH | 4774 |
1 |
| Other owners | 43 |