- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F21V - Functional features or details of lighting devices or systems thereofstructural combinations of lighting devices with other articles, not otherwise provided for
- F21V 3/04 - GlobesBowlsCover glasses characterised by materials, surface treatments or coatings
Patent holdings for IPC class F21V 3/04
Total number of patents in this class: 1230
10-year publication summary
|
185
|
120
|
86
|
71
|
53
|
53
|
47
|
55
|
42
|
24
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Signify Holding B.V. | 8061 |
85 |
| Sharp Kabushiki Kaisha | 18523 |
38 |
| Jiaxing Super Lighting Electric Appliance Co., Ltd | 421 |
24 |
| Panasonic Intellectual Property Management Co., Ltd. | 34035 |
22 |
| Koninklijke Philips N.V. | 25873 |
20 |
| Ideal Industries Lighting LLC | 930 |
20 |
| Philips Lighting Holding B.V. | 1325 |
19 |
| Prosperina Ventures LLC | 120 |
18 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1253 |
17 |
| OSRAM GmbH | 2207 |
15 |
| Bridgelux, Inc. | 359 |
14 |
| Sumitomo Chemical Company, Limited | 8968 |
13 |
| ABL IP Holding LLC | 1887 |
13 |
| Ennostar Corporation | 1576 |
13 |
| Panasonic Corporation | 18962 |
12 |
| LG Innotek Co., Ltd. | 8486 |
12 |
| Zumtobel Lighting GmbH | 758 |
12 |
| Nitto Denko Corporation | 8540 |
11 |
| Coelux S.r.l. | 94 |
11 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6177 |
10 |
| Other owners | 831 |