- 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 29/00 - Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
Patent holdings for IPC class F21V 29/00
Total number of patents in this class: 3667
10-year publication summary
|
508
|
230
|
95
|
102
|
68
|
37
|
19
|
16
|
10
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sharp Kabushiki Kaisha | 18957 |
163 |
| Ideal Industries Lighting LLC | 1168 |
140 |
| Signify Holding B.V. | 6837 |
104 |
| OSRAM GmbH | 2442 |
99 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8635 |
93 |
| Panasonic Corporation | 20786 |
57 |
| Koninklijke Philips N.V. | 22975 |
56 |
| Cree, Inc. | 1157 |
49 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1710 |
49 |
| Koninklijke Philips Electronics N.V. | 13133 |
47 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
39 |
| ABL IP Holding LLC | 1929 |
29 |
| Bridgelux, Inc. | 351 |
29 |
| Osram AG | 305 |
28 |
| Toshiba Lighting & Technology Corporation | 340 |
27 |
| LG Innotek Co., Ltd. | 6758 |
26 |
| Chien, Aaron | 109 |
26 |
| Chien, Te-ju | 109 |
26 |
| Wang, Hsin-yi | 109 |
26 |
| OSRAM SYLVANIA Inc. | 742 |
23 |
| Other owners | 2531 |