- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F21S - Non-portable lighting devices; systems thereof; vehicle lighting devices specially adapted for vehicle exteriors
- F21S 8/04 - Lighting devices intended for fixed installation intended only for mounting on a ceiling or like overhead structure
Patent holdings for IPC class F21S 8/04
Total number of patents in this class: 1683
10-year publication summary
138
|
170
|
222
|
208
|
186
|
152
|
134
|
131
|
99
|
26
|
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 |
96 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
57 |
Sharp Kabushiki Kaisha | 18957 |
55 |
Opple Lighting Co., Ltd. | 698 |
47 |
Zumtobel Lighting GmbH | 701 |
46 |
Hubbell Lighting, Inc | 673 |
37 |
Ideal Industries Lighting LLC | 1168 |
37 |
Feit Electric Company, Inc. | 237 |
36 |
Suzhou Opple Lighting Co., Ltd. | 479 |
34 |
ABL IP Holding LLC | 1929 |
26 |
Quarkstar LLC | 215 |
26 |
DVA Holdings LLC | 37 |
26 |
Axis Lighting Inc. | 98 |
24 |
DVA Mayday Corporation, DBA Deltavation | 31 |
23 |
Hubbell Incorporated | 3052 |
17 |
Bridgelux, Inc. | 351 |
14 |
Panasonic Corporation | 20786 |
13 |
Kaneka Corporation | 4445 |
13 |
Philips Lighting Holding B.V. | 1437 |
13 |
Iris Ohyama, Inc. | 261 |
12 |
Other owners | 1031 |