- 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: 199
10-year publication summary
22
|
23
|
30
|
21
|
16
|
7
|
8
|
5
|
9
|
4
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Lufthansa Technik AG | 468 |
8 |
Ford Global Technologies, LLC | 19702 |
6 |
Nichia Corporation | 3394 |
5 |
Fanlight Co., Ltd. | 33 |
5 |
Coretronic Corporation | 1165 |
4 |
Cyalume Technologies, Inc. | 77 |
4 |
Rensselaer Polytechnic Institute | 776 |
4 |
Koninklijke Philips Electronics N.V. | 13133 |
3 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
3 |
Northwestern University | 3112 |
3 |
citizen Electronics Co., Ltd. | 378 |
3 |
Immunolight, LLC | 199 |
3 |
Smolsys AG | 3 |
3 |
Sherpa Enterprises LLC | 8 |
3 |
Toshiba Corporation | 12017 |
2 |
Massachusetts Institute of Technology | 9795 |
2 |
OSRAM GmbH | 2442 |
2 |
Osram AG | 305 |
2 |
Appotronics Corporation Limited | 1111 |
2 |
Bell Helicopter Textron Inc. | 1122 |
2 |
Other owners | 130 |