- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F21S - Non-portable lighting devicessystems thereofvehicle 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: 1800
10-year publication summary
|
222
|
208
|
186
|
152
|
135
|
134
|
105
|
86
|
92
|
51
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 8118 |
120 |
| Panasonic Intellectual Property Management Co., Ltd. | 34265 |
68 |
| Opple Lighting Co., Ltd. | 924 |
55 |
| Sharp Kabushiki Kaisha | 18502 |
51 |
| Zumtobel Lighting GmbH | 759 |
47 |
| Suzhou Opple Lighting Co., Ltd. | 689 |
42 |
| Feit Electric Company, Inc. | 298 |
41 |
| Hubbell Lighting, Inc | 573 |
37 |
| Led-ip Management, LLC | 822 |
34 |
| Quarkstar LLC | 225 |
26 |
| DVA Holdings LLC | 37 |
26 |
| ABL IP Holding LLC | 1885 |
25 |
| DVA Mayday Corporation, DBA Deltavation | 30 |
23 |
| Hubbell Incorporated | 3457 |
17 |
| Axis Lighting Inc. | 66 |
17 |
| Bridgelux, Inc. | 358 |
14 |
| Kaneka Corporation | 4732 |
13 |
| Philips Lighting Holding B.V. | 1325 |
13 |
| Lighting Defense Group, LLC | 44 |
13 |
| Iris Ohyama, Inc. | 323 |
12 |
| Other owners | 1106 |