- All sections
- H - Electricity
- H01K - Electric incandescent lamps
- H01K 1/04 - Incandescent bodies characterised by the material thereof
Patent holdings for IPC class H01K 1/04
Total number of patents in this class: 33
10-year publication summary
|
4
|
0
|
1
|
4
|
2
|
0
|
2
|
0
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stanley Electric Co., Ltd. | 1338 |
4 |
| General Electric Company | 13818 |
2 |
| Massachusetts Institute of Technology | 10183 |
2 |
| OSRAM GmbH | 2267 |
2 |
| St. John's University | 24 |
2 |
| Surface Igniter LLC | 11 |
2 |
| 4k-mems SA | 10 |
2 |
| Hon Hai Precision Industry Co., Ltd. | 4014 |
1 |
| Applied Materials, Inc. | 19960 |
1 |
| Varian Semiconductor Equipment Associates, Inc. | 1198 |
1 |
| Industrial Technology Research Institute | 5077 |
1 |
| Japan Science and Technology Agency | 1239 |
1 |
| Beijing FUNATE Innovation Technology Co., Ltd. | 146 |
1 |
| Beijing University of Technology | 514 |
1 |
| Carl Zeiss Microscopy GmbH | 1258 |
1 |
| Forschungszentrum Julich GmbH | 630 |
1 |
| National Institute for Materials Science | 1090 |
1 |
| Opalux Incorporated | 27 |
1 |
| Osaka Gas Co., Ltd. | 313 |
1 |
| Si-Ware Systems | 45 |
1 |
| Other owners | 4 |