- 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: 221
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 | 2408 |
36 |
| Ushio Denki Kabushiki Kaisha | 1149 |
17 |
| Koninklijke Philips Electronics N.V. | 10767 |
15 |
| Philips Intellectual Property & Standards GmbH | 2102 |
10 |
| General Electric Company | 17800 |
9 |
| ORC Manufacturing Co., Ltd. | 67 |
9 |
| PLANSEE SE | 234 |
9 |
| Toshiba Materials Co., Ltd. | 632 |
9 |
| Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | 128 |
8 |
| Iwasaki Electric Co., Ltd. | 149 |
6 |
| Lumileds LLC | 1886 |
5 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6254 |
5 |
| Beijing E-town Semiconductor Technology, Co., Ltd | 276 |
5 |
| Seiko Epson Corporation | 19020 |
4 |
| Hamamatsu Photonics K.K. | 4313 |
4 |
| Samsung Electronics Co., Ltd. | 139551 |
3 |
| LG Electronics Inc. | 71185 |
3 |
| Toshiba Corporation | 12076 |
3 |
| Panasonic Corporation | 20307 |
3 |
| Osram AG | 302 |
3 |
| Other owners | 55 |