- All sections
- H - Electricity
- H01K - Electric incandescent lamps
- H01K 3/02 - Manufacture of incandescent bodies
Patent holdings for IPC class H01K 3/02
Total number of patents in this class: 25
10-year publication summary
|
1
|
1
|
2
|
2
|
0
|
1
|
0
|
1
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| OSRAM GmbH | 2382 |
5 |
| Heraeus Noblelight GmbH | 129 |
4 |
| Hewlett-Packard Development Company, L.P. | 25881 |
1 |
| Hon Hai Precision Industry Co., Ltd. | 4034 |
1 |
| Koninklijke Philips N.V. | 24804 |
1 |
| Koninklijke Philips Electronics N.V. | 9618 |
1 |
| Applied Materials, Inc. | 18658 |
1 |
| Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | 74 |
1 |
| Tsinghua University | 5931 |
1 |
| Keio University | 1095 |
1 |
| Opalux Incorporated | 27 |
1 |
| Stanley Electric Co., Ltd. | 1248 |
1 |
| Toshiba Materials Co., Ltd. | 667 |
1 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6273 |
1 |
| Hitachi High-Tech Corporation | 5323 |
1 |
| Adaptas Solutions LLC | 16 |
1 |
| Beijing Bciflex Medical Technology Co., Ltd. | 5 |
1 |
| Excelitas Noblelight GmbH | 100 |
1 |
| Other owners | 0 |