- All sections
- H - Electricity
- H05B - Electric heating; electric light sources not otherwise provided for; circuit 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: 84
10-year publication summary
|
7
|
7
|
2
|
9
|
6
|
2
|
4
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 6837 |
5 |
| Panasonic Corporation | 20786 |
3 |
| OSRAM GmbH | 2442 |
3 |
| Ivani, LLC | 81 |
3 |
| Leviton Manufacturing Co., Inc. | 844 |
3 |
| Samsung Electronics Co., Ltd. | 131630 |
2 |
| Hubbell Incorporated | 3052 |
2 |
| ABL IP Holding LLC | 1929 |
2 |
| Koito Manufacturing Co., Ltd. | 1991 |
2 |
| Shenzhen Hongguangcheng Industry Co., Ltd. | 2 |
2 |
| STMicroelectronics International N.V. | 1484 |
2 |
| Noon Home, Inc. | 22 |
2 |
| Hewlett-Packard Development Company, L.P. | 28538 |
1 |
| Semiconductor Energy Laboratory Co., Ltd. | 10902 |
1 |
| Murata Manufacturing Co., Ltd. | 22355 |
1 |
| Marvell International Ltd. | 1224 |
1 |
| Rohm Co., Ltd. | 5843 |
1 |
| Semiconductor Components Industries, L.L.C. | 5345 |
1 |
| Innolux Corporation | 3151 |
1 |
| Continental Automotive GmbH | 5573 |
1 |
| Other owners | 45 |