- All sections
- H - Electricity
- H05B - Electric heating; electric light sources not otherwise provided for; circuit arrangements for electric light sources, in general
- H05B 39/09 - Circuit arrangements or apparatus for operating incandescent light sources in which the lamp is fed by pulses
Patent holdings for IPC class H05B 39/09
Total number of patents in this class: 25
10-year publication summary
|
4
|
2
|
4
|
3
|
3
|
2
|
3
|
1
|
2
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| L&L Candle Company, LLC | 275 |
3 |
| Korea Electronics Technology Institute | 1358 |
2 |
| Leviton Manufacturing Co., Inc. | 844 |
2 |
| Roku, Inc. | 1151 |
2 |
| Seasonal Specialties, LLC | 84 |
2 |
| Seiko Epson Corporation | 18724 |
1 |
| Hyundai Motor Company | 19021 |
1 |
| Cree, Inc. | 1157 |
1 |
| Capital Normal University | 40 |
1 |
| E+E Elektronik Ges.m.b.H. | 29 |
1 |
| Express Imaging Systems, LLC | 94 |
1 |
| Huang, Alice Y. | 8 |
1 |
| Innotec Corporation | 56 |
1 |
| JLJ, Inc. | 8 |
1 |
| Magna International Inc. | 1236 |
1 |
| Polygroup Macau Limited (BVI) | 122 |
1 |
| Signify Holding B.V. | 6837 |
1 |
| China National Institute of Standardization | 25 |
1 |
| SKAIChips Co., Ltd. | 79 |
1 |
| Other owners | 0 |