- All sections
- H - Electricity
- H01K - Electric incandescent lamps
- H01K 1/48 - Removable caps
Patent holdings for IPC class H01K 1/48
Total number of patents in this class: 6
10-year publication summary
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| OSRAM GmbH | 2270 |
2 |
| Koninklijke Philips Electronics N.V. | 8120 |
1 |
| Osram AG | 289 |
1 |
| Trojan Technologies Inc. | 44 |
1 |
| Yafertech Corp. | 4 |
1 |
| Other owners | 0 |