- 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 7/09 - Optical design with a combination of different curvatures
Patent holdings for IPC class F21V 7/09
Total number of patents in this class: 427
10-year publication summary
|
53
|
37
|
35
|
34
|
32
|
17
|
24
|
16
|
27
|
1
|
| 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 |
20 |
| Koninklijke Philips Electronics N.V. | 13133 |
13 |
| Ichikoh Industries, Ltd. | 303 |
11 |
| Ushio Denki Kabushiki Kaisha | 1088 |
10 |
| Ideal Industries Lighting LLC | 1168 |
10 |
| Koito Manufacturing Co., Ltd. | 1991 |
9 |
| Quarkstar LLC | 215 |
9 |
| Sharp Kabushiki Kaisha | 18957 |
9 |
| OSRAM GmbH | 2442 |
8 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1710 |
8 |
| LG Innotek Co., Ltd. | 6758 |
7 |
| Whelen Engineering Company, Inc. | 178 |
7 |
| Sony Corporation | 32931 |
6 |
| Panasonic Corporation | 20786 |
6 |
| ABL IP Holding LLC | 1929 |
6 |
| Dialight Corporation | 233 |
6 |
| Stanley Electric Co., Ltd. | 1102 |
6 |
| Honda Motor Co., Ltd. | 24537 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
5 |
| Nichia Corporation | 3394 |
5 |
| Other owners | 261 |