- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F21V - Functional features or details of lighting devices or systems thereof; structural combinations of lighting devices with other articles, not otherwise provided for
- F21V 3/04 - Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
Patent holdings for IPC class F21V 3/04
Total number of patents in this class: 1175
10-year publication summary
161
|
238
|
185
|
120
|
86
|
71
|
53
|
53
|
44
|
16
|
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 |
70 |
Ideal Industries Lighting LLC | 1168 |
41 |
Sharp Kabushiki Kaisha | 18957 |
38 |
Jiaxing Super Lighting Electric Appliance Co., Ltd | 364 |
24 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
23 |
Suzhou Lekin Semiconductor Co., Ltd. | 1710 |
23 |
Koninklijke Philips N.V. | 22975 |
20 |
Philips Lighting Holding B.V. | 1437 |
19 |
OSRAM GmbH | 2442 |
15 |
Bridgelux, Inc. | 351 |
14 |
Epistar Corporation | 1553 |
14 |
Sumitomo Chemical Company, Limited | 8808 |
13 |
Panasonic Corporation | 20786 |
12 |
Nitto Denko Corporation | 7879 |
12 |
ABL IP Holding LLC | 1929 |
12 |
Zumtobel Lighting GmbH | 701 |
12 |
LG Innotek Co., Ltd. | 6758 |
11 |
Coelux S.r.l. | 92 |
11 |
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
10 |
Ideal Industries, LLC | 87 |
10 |
Other owners | 771 |