- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit arrangements for electric light sources, in general
- H05B 39/04 - Controlling
Patent holdings for IPC class H05B 39/04
Total number of patents in this class: 838
10-year publication summary
|
76
|
68
|
65
|
64
|
35
|
15
|
15
|
9
|
12
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lutron Technology Company LLC | 2767 |
109 |
| Signify Holding B.V. | 8146 |
67 |
| Vaxcel International Co., Ltd. | 77 |
25 |
| ABL IP Holding LLC | 1885 |
13 |
| On-Bright Electronics (Shanghai) Co., Ltd. | 332 |
13 |
| Panasonic Intellectual Property Management Co., Ltd. | 34335 |
12 |
| Lutron Electronics Co., Inc. | 511 |
12 |
| Samsung Electronics Co., Ltd. | 158605 |
9 |
| Koninklijke Philips Electronics N.V. | 7243 |
8 |
| OSRAM GmbH | 2191 |
8 |
| Express Imaging Systems, LLC | 96 |
8 |
| Koninklijke Philips N.V. | 25978 |
7 |
| Semiconductor Components Industries, L.L.C. | 5255 |
7 |
| Jiaxing Super Lighting Electric Appliance Co., Ltd | 423 |
7 |
| Leviton Manufacturing Co., Inc. | 809 |
7 |
| Led-ip Management, LLC | 822 |
7 |
| Sony Corporation | 30097 |
6 |
| Hendon Semiconductors Pty Ltd | 24 |
6 |
| Philips Lighting Holding B.V. | 1325 |
6 |
| Noon Home, Inc. | 22 |
6 |
| Other owners | 495 |