- All sections
- H - Electricity
- H01K - Electric incandescent lamps
- H01K 1/38 - Seals for leading-in conductors
Patent holdings for IPC class H01K 1/38
Total number of patents in this class: 12
10-year publication summary
|
2
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| OSRAM GmbH | 2186 |
6 |
| Stanley Electric Co., Ltd. | 1396 |
2 |
| OSRAM SYLVANIA Inc. | 673 |
1 |
| Heraeus Noblelight GmbH | 123 |
1 |
| Toshiba Lighting & Technology Corporation | 219 |
1 |
| PLANSEE Metall GmbH | 5 |
1 |
| Other owners | 0 |