- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 61/073 - Main electrodes for high-pressure discharge lamps
Patent holdings for IPC class H01J 61/073
Total number of patents in this class: 210
10-year publication summary
|
11
|
11
|
12
|
7
|
9
|
10
|
7
|
7
|
6
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| OSRAM GmbH | 2382 |
36 |
| Ushio Denki Kabushiki Kaisha | 1186 |
17 |
| Koninklijke Philips Electronics N.V. | 9495 |
13 |
| ORC Manufacturing Co., Ltd. | 68 |
9 |
| PLANSEE SE | 233 |
9 |
| Toshiba Materials Co., Ltd. | 665 |
9 |
| Philips Intellectual Property & Standards GmbH | 1904 |
9 |
| General Electric Company | 13806 |
8 |
| Iwasaki Electric Co., Ltd. | 151 |
6 |
| Lumileds LLC | 710 |
5 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6274 |
5 |
| Beijing E-town Semiconductor Technology, Co., Ltd | 283 |
5 |
| Seiko Epson Corporation | 19425 |
4 |
| Hamamatsu Photonics K.K. | 4426 |
4 |
| Samsung Electronics Co., Ltd. | 147003 |
3 |
| LG Electronics Inc. | 73383 |
3 |
| Toshiba Corporation | 12376 |
3 |
| Panasonic Corporation | 20085 |
3 |
| Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | 70 |
3 |
| Osram AG | 301 |
3 |
| Other owners | 53 |