- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 61/54 - Igniting arrangements, e.g. promoting ionisation for starting
Patent holdings for IPC class H01J 61/54
Total number of patents in this class: 230
10-year publication summary
|
26
|
16
|
11
|
10
|
3
|
7
|
4
|
18
|
5
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| OSRAM GmbH | 2442 |
26 |
| Excelitas Technologies Corp. | 290 |
18 |
| Ushio Denki Kabushiki Kaisha | 1088 |
16 |
| Koninklijke Philips Electronics N.V. | 13133 |
15 |
| Panasonic Corporation | 20786 |
12 |
| Osram AG | 305 |
11 |
| General Electric Company | 18133 |
9 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
7 |
| Hamamatsu Photonics K.K. | 4161 |
7 |
| Iwasaki Electric Co., Ltd. | 151 |
7 |
| ASML Netherlands B.V. | 6816 |
6 |
| Philips Intellectual Property & Standards GmbH | 2395 |
6 |
| Matsushita Electric Industrial Co., Ltd. | 4724 |
5 |
| VON ARDENNE GmbH | 43 |
5 |
| Seiko Epson Corporation | 18724 |
4 |
| Energetiq Technology, Inc. | 34 |
4 |
| Unilam Co., Ltd. | 4 |
4 |
| Koninklijke Philips N.V. | 22975 |
3 |
| Kyocera Corporation | 12735 |
3 |
| Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | 166 |
3 |
| Other owners | 59 |