- All sections
- H - Electricity
- H05B - Electric heating; electric light sources not otherwise provided for; circuit 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: 42
10-year publication summary
|
5
|
3
|
3
|
3
|
3
|
2
|
0
|
1
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Matsushita Electric Industrial Co., Ltd. | 4724 |
3 |
| Koninklijke Philips Electronics N.V. | 13133 |
3 |
| Mitsubishi Electric Corporation | 43934 |
3 |
| Panasonic Corporation | 20786 |
2 |
| Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | 166 |
2 |
| OSRAM GmbH | 2442 |
2 |
| IIE GmbH & Co. KG | 11 |
2 |
| I.s.t. Innovative Sewer Technologies GmbH | 9 |
2 |
| Savant Systems, Inc. | 262 |
2 |
| Nokia Corporation | 6965 |
1 |
| Canon Inc. | 36841 |
1 |
| Seiko Epson Corporation | 18724 |
1 |
| Boe Technology Group Co., Ltd. | 35384 |
1 |
| Advanced Environmental Technologies Limited | 6 |
1 |
| American Sterilizer Company | 654 |
1 |
| Barrow S.r.l. | 2 |
1 |
| Deutsche Post AG | 459 |
1 |
| Eaton Protection Systems IP GmbH & Co. KG | 37 |
1 |
| Harison Toshiba Lighting Corp. | 48 |
1 |
| Hefei BOE Optoelectronics Technology Co., Ltd. | 1346 |
1 |
| Other owners | 10 |