- 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: 3890
10-year publication summary
|
916
|
508
|
230
|
95
|
102
|
68
|
36
|
17
|
12
|
3
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sharp Kabushiki Kaisha | 18949 |
165 |
| Ideal Industries Lighting LLC | 1316 |
141 |
| Signify Holding B.V. | 6423 |
114 |
| OSRAM GmbH | 2675 |
106 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 9359 |
99 |
| Panasonic Corporation | 21881 |
57 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1886 |
57 |
| Koninklijke Philips N.V. | 22521 |
56 |
| Cree, Inc. | 1313 |
49 |
| Koninklijke Philips Electronics N.V. | 16714 |
48 |
| Panasonic Intellectual Property Management Co., Ltd. | 26394 |
44 |
| Osram AG | 316 |
31 |
| ABL IP Holding LLC | 1949 |
29 |
| Bridgelux, Inc. | 323 |
29 |
| Toshiba Lighting & Technology Corporation | 361 |
29 |
| Chien, Aaron | 116 |
29 |
| Chien, Te-ju | 116 |
29 |
| Wang, Hsin-yi | 116 |
29 |
| Samsung Electronics Co., Ltd. | 120977 |
27 |
| OSRAM SYLVANIA Inc. | 820 |
27 |
| Other owners | 2695 |