- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 61/56 - One or more circuit elements structurally associated with the lamp
Patent holdings for IPC class H01J 61/56
Total number of patents in this class: 109
10-year publication summary
|
9
|
4
|
5
|
5
|
6
|
2
|
2
|
2
|
4
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| OSRAM GmbH | 2442 |
8 |
| General Electric Company | 18133 |
6 |
| Osram AG | 305 |
6 |
| Sharp Kabushiki Kaisha | 18957 |
6 |
| OSRAM SYLVANIA Inc. | 742 |
4 |
| The Boeing Company | 19843 |
3 |
| Panasonic Corporation | 20786 |
3 |
| Lucidity Lights, Inc. | 39 |
3 |
| Photoscience Japan Corporation | 21 |
3 |
| Koninklijke Philips Electronics N.V. | 13133 |
2 |
| GTE Products Corporation | 8 |
2 |
| Goodrich Corporation | 2081 |
2 |
| LEDVANCE GmbH | 564 |
2 |
| OSRAM S.p.A. - Societa' Riunite OSRAM Edison Clerici | 100 |
2 |
| Trojan Technologies Inc. | 60 |
2 |
| Honeywell International Inc. | 13799 |
1 |
| Matsushita Electric Industrial Co., Ltd. | 4724 |
1 |
| Seiko Epson Corporation | 18724 |
1 |
| Koninklijke Philips N.V. | 22975 |
1 |
| Applied Materials, Inc. | 16587 |
1 |
| Other owners | 50 |