- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit 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
|
3
|
3
|
2
|
3
|
1
|
2
|
1
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| L&L Candle Company, LLC | 288 |
3 |
| Korea Electronics Technology Institute | 1803 |
2 |
| Leviton Manufacturing Co., Inc. | 812 |
2 |
| Roku, Inc. | 1605 |
2 |
| Seasonal Specialties, LLC | 85 |
2 |
| Seiko Epson Corporation | 20256 |
1 |
| Hyundai Motor Company | 24653 |
1 |
| Cree, Inc. | 921 |
1 |
| Capital Normal University | 46 |
1 |
| E+E Elektronik Ges.m.b.H. | 36 |
1 |
| Express Imaging Systems, LLC | 96 |
1 |
| Huang, Alice Y. | 8 |
1 |
| Innotec Corporation | 56 |
1 |
| Magna International Inc. | 1195 |
1 |
| Polygroup Macau Limited (BVI) | 108 |
1 |
| Signify Holding B.V. | 8052 |
1 |
| China National Institute of Standardization | 40 |
1 |
| SKAIChips Co., Ltd. | 91 |
1 |
| Fractional Power, LLC | 2 |
1 |
| Other owners | 0 |