- 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 9/64 - Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
Patent holdings for IPC class F21K 9/64
Total number of patents in this class: 1107
10-year publication summary
91
|
110
|
207
|
199
|
193
|
161
|
103
|
85
|
68
|
17
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Signify Holding B.V. | 6837 |
84 |
Nichia Corporation | 3394 |
66 |
Korrus, Inc. | 447 |
48 |
Lumileds LLC | 1827 |
38 |
Kyocera Sld Laser, Inc. | 281 |
36 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
30 |
LG Innotek Co., Ltd. | 6758 |
26 |
Quarkstar LLC | 215 |
26 |
Samsung Electronics Co., Ltd. | 131630 |
21 |
Appotronics Corporation Limited | 1111 |
15 |
Seoul Semiconductor Co., Ltd. | 1073 |
15 |
Optovate Limited | 37 |
13 |
Philips Lighting Holding B.V. | 1437 |
12 |
OSRAM Opto Semiconductors GmbH | 3390 |
11 |
Bridgelux, Inc. | 351 |
11 |
Coretronic Corporation | 1165 |
11 |
Intematix Corporation | 223 |
11 |
OSRAM OLED GmbH | 1841 |
11 |
Savant Technologies, LLC | 343 |
11 |
Ideal Industries Lighting LLC | 1168 |
11 |
Other owners | 600 |