- 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: 231
10-year publication summary
|
16
|
11
|
11
|
12
|
7
|
9
|
10
|
7
|
7
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| OSRAM GmbH | 2442 |
36 |
| Koninklijke Philips Electronics N.V. | 13133 |
21 |
| Ushio Denki Kabushiki Kaisha | 1088 |
18 |
| Philips Intellectual Property & Standards GmbH | 2395 |
13 |
| General Electric Company | 18133 |
9 |
| Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | 166 |
9 |
| ORC Manufacturing Co., Ltd. | 65 |
9 |
| PLANSEE SE | 233 |
9 |
| Toshiba Materials Co., Ltd. | 600 |
9 |
| Iwasaki Electric Co., Ltd. | 151 |
6 |
| Lumileds LLC | 1827 |
5 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
5 |
| Beijing E-town Semiconductor Technology, Co., Ltd | 246 |
5 |
| Seiko Epson Corporation | 18724 |
4 |
| Hamamatsu Photonics K.K. | 4161 |
4 |
| Samsung Electronics Co., Ltd. | 131630 |
3 |
| Toshiba Corporation | 12017 |
3 |
| Panasonic Corporation | 20786 |
3 |
| Osram AG | 305 |
3 |
| A.L.M.T. Corp. | 209 |
3 |
| Other owners | 54 |