- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F21K - Non-electric light sources using luminescencelight sources using electrochemiluminescencelight sources using charges of combustible materiallight sources using semiconductor devices as light-generating elementslight sources not otherwise provided for
- F21K 2/00 - Non-electric light sources using luminescenceLight sources using electrochemiluminescence
Patent holdings for IPC class F21K 2/00
Total number of patents in this class: 189
10-year publication summary
|
30
|
21
|
16
|
7
|
8
|
8
|
9
|
9
|
3
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lufthansa Technik AG | 505 |
9 |
| Immunolight, LLC | 212 |
7 |
| Fanlight Co., Ltd. | 49 |
7 |
| Ford Global Technologies, LLC | 21613 |
6 |
| Nichia Corporation | 3889 |
6 |
| Coretronic Corporation | 1377 |
4 |
| Cyalume Technologies, Inc. | 71 |
4 |
| Rensselaer Polytechnic Institute | 854 |
4 |
| Koninklijke Philips Electronics N.V. | 7172 |
3 |
| Northwestern University | 3570 |
3 |
| Sherpa Enterprises LLC | 13 |
3 |
| Toshiba Corporation | 12726 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 34471 |
2 |
| Massachusetts Institute of Technology | 10305 |
2 |
| OSRAM GmbH | 2186 |
2 |
| Osram AG | 286 |
2 |
| Appotronics Corporation Limited | 1136 |
2 |
| Bell Helicopter Textron Inc. | 956 |
2 |
| Dexerials Corporation | 2006 |
2 |
| Philips Lighting Holding B.V. | 1324 |
2 |
| Other owners | 115 |