- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F21K - Non-electric light sources using luminescence; light sources using electrochemiluminescence; light sources using charges of combustible material; light sources using semiconductor devices as light-generating elements; light sources not otherwise provided for
- F21K 2/00 - Non-electric light sources using luminescence; Light sources using electrochemiluminescence
Patent holdings for IPC class F21K 2/00
Total number of patents in this class: 202
10-year publication summary
|
23
|
30
|
21
|
16
|
7
|
8
|
8
|
9
|
9
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lufthansa Technik AG | 475 |
8 |
| Immunolight, LLC | 204 |
7 |
| Ford Global Technologies, LLC | 20057 |
6 |
| Nichia Corporation | 3543 |
6 |
| Fanlight Co., Ltd. | 39 |
5 |
| citizen Electronics Co., Ltd. | 362 |
4 |
| Coretronic Corporation | 1228 |
4 |
| Cyalume Technologies, Inc. | 74 |
4 |
| Rensselaer Polytechnic Institute | 800 |
4 |
| Koninklijke Philips Electronics N.V. | 10932 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 29620 |
3 |
| Northwestern University | 3272 |
3 |
| Sherpa Enterprises LLC | 12 |
3 |
| Toshiba Corporation | 12037 |
2 |
| Massachusetts Institute of Technology | 9909 |
2 |
| OSRAM GmbH | 2412 |
2 |
| Osram AG | 302 |
2 |
| Appotronics Corporation Limited | 1112 |
2 |
| Bell Helicopter Textron Inc. | 1085 |
2 |
| Defense Holdings, Inc. | 17 |
2 |
| Other owners | 128 |