- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 61/72 - Lamps with low-pressure unconstricted discharge having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury
Patent holdings for IPC class H01J 61/72
Total number of patents in this class: 63
10-year publication summary
|
2
|
5
|
4
|
5
|
2
|
5
|
1
|
3
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| OSRAM GmbH | 2412 |
12 |
| Heraeus Noblelight GmbH | 176 |
8 |
| Koninklijke Philips Electronics N.V. | 10844 |
6 |
| General Electric Company | 17789 |
5 |
| Panasonic Corporation | 20315 |
3 |
| LEDVANCE GmbH | 570 |
3 |
| Excelitas Noblelight GmbH | 53 |
3 |
| Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | 134 |
2 |
| SAES Getters S.p.A. | 330 |
2 |
| Xylem IP Management S.A R.L. | 70 |
2 |
| Xylem IP Management S.a.r.l. | 35 |
2 |
| Germbot LLC | 2 |
2 |
| Xylem Europe GmbH | 214 |
2 |
| Matsushita Electric Industrial Co., Ltd. | 2826 |
1 |
| Industrial Technology Research Institute | 4959 |
1 |
| Board of Regents, The University of Texas System | 5619 |
1 |
| Osram AG | 302 |
1 |
| LightLab Sweden AB | 39 |
1 |
| Nanyang Technological University | 1893 |
1 |
| Umicore AG & Co. KG | 860 |
1 |
| Other owners | 4 |