- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F21Y - Indexing scheme associated with subclasses , , and , relating to the form or the kind of the light sources or of the colour of the light emitted
- F21Y 105/00 - Planar light sources
Patent holdings for IPC class F21Y 105/00
Total number of patents in this class: 1299
10-year publication summary
|
267
|
157
|
68
|
60
|
35
|
28
|
28
|
22
|
13
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Konica Minolta, Inc. | 8349 |
57 |
| Signify Holding B.V. | 6837 |
53 |
| Ideal Industries Lighting LLC | 1168 |
47 |
| Sharp Kabushiki Kaisha | 18957 |
38 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
34 |
| OSRAM GmbH | 2442 |
34 |
| Pioneer Corporation | 4843 |
30 |
| Koninklijke Philips N.V. | 22975 |
29 |
| Semiconductor Energy Laboratory Co., Ltd. | 10902 |
27 |
| Feit Electric Company, Inc. | 237 |
23 |
| Philips Lighting Holding B.V. | 1437 |
23 |
| Panasonic Corporation | 20786 |
21 |
| Pictiva Displays International Limited | 269 |
19 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1710 |
19 |
| Kaneka Corporation | 4445 |
18 |
| Quarkstar LLC | 215 |
18 |
| LG Innotek Co., Ltd. | 6758 |
14 |
| ABL IP Holding LLC | 1929 |
14 |
| Valeo Vision | 1219 |
14 |
| OSRAM OLED GmbH | 1841 |
13 |
| Other owners | 754 |