- 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 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: 2931
10-year publication summary
|
151
|
45
|
25
|
10
|
5
|
6
|
1
|
0
|
5
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| OSRAM GmbH | 2323 |
202 |
| Koninklijke Philips Electronics N.V. | 8250 |
128 |
| Signify Holding B.V. | 7834 |
126 |
| Koninklijke Philips N.V. | 25448 |
116 |
| Philips Lighting Holding B.V. | 1343 |
106 |
| Cree, Inc. | 944 |
74 |
| Ideal Industries Lighting LLC | 935 |
71 |
| Prosperina Ventures LLC | 120 |
63 |
| OSRAM Opto Semiconductors GmbH | 3274 |
54 |
| Osram AG | 291 |
51 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1298 |
40 |
| Epistar Corporation | 1483 |
37 |
| GE Lighting Solutions, LLC | 178 |
30 |
| Tridonic Jennersdorf GmbH | 96 |
27 |
| Philips Intellectual Property & Standards GmbH | 1754 |
26 |
| iLumisys, Inc. | 128 |
24 |
| Samsung Electronics Co., Ltd. | 152534 |
23 |
| LG Innotek Co., Ltd. | 8108 |
22 |
| LEDVANCE GmbH | 587 |
21 |
| Seoul Semiconductor Co., Ltd. | 1073 |
21 |
| Other owners | 1669 |