- 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: 209
10-year publication summary
|
11
|
10
|
3
|
7
|
4
|
18
|
5
|
9
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| OSRAM GmbH | 2270 |
21 |
| Excelitas Technologies Corp. | 325 |
19 |
| Ushio Denki Kabushiki Kaisha | 1217 |
18 |
| Panasonic Corporation | 19786 |
11 |
| Osram AG | 289 |
11 |
| General Electric Company | 13811 |
9 |
| Koninklijke Philips Electronics N.V. | 8120 |
9 |
| Hamamatsu Photonics K.K. | 4593 |
8 |
| Panasonic Intellectual Property Management Co., Ltd. | 33401 |
7 |
| Iwasaki Electric Co., Ltd. | 150 |
7 |
| ASML Netherlands B.V. | 7710 |
6 |
| Energetiq Technology, Inc. | 49 |
5 |
| VON ARDENNE GmbH | 38 |
5 |
| Excelitas Technologies Singapore Pte. Ltd. | 39 |
5 |
| Seiko Epson Corporation | 19982 |
4 |
| Unilam Co., Ltd. | 4 |
4 |
| Koninklijke Philips N.V. | 25511 |
3 |
| Kyocera Corporation | 14233 |
3 |
| KLA-Tencor Corporation | 2524 |
3 |
| LEDVANCE GmbH | 587 |
3 |
| Other owners | 48 |