- All sections
- H - Electricity
- H05B - Electric heating electric light sources not otherwise provided forcircuit arrangements for electric light sources, in general
- H05B 41/02 - Circuit arrangements or apparatus for igniting or operating discharge lamps Details
Patent holdings for IPC class H05B 41/02
Total number of patents in this class: 37
10-year publication summary
|
3
|
3
|
3
|
3
|
2
|
0
|
1
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 45811 |
3 |
| Panasonic Corporation | 20173 |
2 |
| Koninklijke Philips Electronics N.V. | 10018 |
2 |
| OSRAM GmbH | 2387 |
2 |
| IIE GmbH & Co. KG | 11 |
2 |
| Trelleborg Sealing Profiles Germany GmbH | 10 |
2 |
| Savant Systems, Inc. | 256 |
2 |
| Nokia Corporation | 5802 |
1 |
| Canon Inc. | 39442 |
1 |
| Matsushita Electric Industrial Co., Ltd. | 1833 |
1 |
| Seiko Epson Corporation | 19269 |
1 |
| Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | 90 |
1 |
| Boe Technology Group Co., Ltd. | 40613 |
1 |
| Advanced Environmental Technologies Limited | 6 |
1 |
| American Sterilizer Company | 660 |
1 |
| Deutsche Post AG | 426 |
1 |
| Eaton Protection Systems IP GmbH & Co. KG | 37 |
1 |
| Harison Toshiba Lighting Corp. | 36 |
1 |
| Hefei BOE Optoelectronics Technology Co., Ltd. | 1364 |
1 |
| I.s.t. Innovative Sewer Technologies GmbH | 6 |
1 |
| Other owners | 9 |