- 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 99/00 - Subject matter not provided for in other groups of this subclass
Patent holdings for IPC class F21K 99/00
Total number of patents in this class: 3096
10-year publication summary
1121
|
642
|
156
|
47
|
27
|
10
|
5
|
8
|
1
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
OSRAM GmbH | 2442 |
202 |
Ideal Industries Lighting LLC | 1168 |
149 |
Koninklijke Philips Electronics N.V. | 13133 |
137 |
Signify Holding B.V. | 6837 |
134 |
Koninklijke Philips N.V. | 22975 |
116 |
Philips Lighting Holding B.V. | 1437 |
106 |
Cree, Inc. | 1157 |
77 |
Suzhou Lekin Semiconductor Co., Ltd. | 1710 |
65 |
OSRAM Opto Semiconductors GmbH | 3390 |
56 |
Osram AG | 305 |
51 |
Epistar Corporation | 1553 |
50 |
GE Lighting Solutions, LLC | 179 |
30 |
Philips Intellectual Property & Standards GmbH | 2395 |
28 |
Tridonic Jennersdorf GmbH | 97 |
27 |
Samsung Electronics Co., Ltd. | 131630 |
24 |
iLumisys, Inc. | 133 |
24 |
Ideal Industries, LLC | 87 |
23 |
LG Innotek Co., Ltd. | 6758 |
22 |
Seoul Semiconductor Co., Ltd. | 1073 |
22 |
Nichia Corporation | 3394 |
21 |
Other owners | 1732 |