- All sections
- H - Electricity
- H01K - Electric incandescent lamps
- H01K 1/46 - Means forming part of the lamp for the purpose of providing electrical connection to, or support for, the lamp supported by a separate part, e.g. base, cap
Patent holdings for IPC class H01K 1/46
Total number of patents in this class: 77
10-year publication summary
|
2
|
3
|
4
|
2
|
1
|
1
|
0
|
2
|
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 |
21 |
| Koninklijke Philips Electronics N.V. | 10844 |
12 |
| Philips Intellectual Property & Standards GmbH | 2112 |
8 |
| Applied Materials, Inc. | 17745 |
3 |
| Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | 134 |
3 |
| Osram AG | 302 |
3 |
| LEDVANCE GmbH | 570 |
3 |
| Trojan Technologies Inc. | 57 |
3 |
| Rich Brand Industries Limited | 27 |
2 |
| Heshan Gmy Lighting and Electrical Co., Ltd. | 6 |
2 |
| Zhangzhou Go Win Lighting Co., Ltd | 24 |
2 |
| OSRAM SYLVANIA Inc. | 702 |
1 |
| OSRAM Opto Semiconductors GmbH | 3336 |
1 |
| Aurora Limited | 36 |
1 |
| Core Lighting Limited | 3 |
1 |
| E.m.c. Colosio S.p.A. | 3 |
1 |
| Hubert Stüken GmbH & Co. KG | 8 |
1 |
| OSRAM S.p.A. - Societa' Riunite OSRAM Edison Clerici | 100 |
1 |
| Schneider Electric (Australia) Pty Ltd. | 98 |
1 |
| Toshiba Lighting & Technology Corporation | 291 |
1 |
| Other owners | 6 |