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  • 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 7/04 - Optical design

Patent holdings for IPC class F21V 7/04

Total number of patents in this class: 3469

10-year publication summary

324
306
297
280
239
187
151
83
113
26
2014 2015 2016 2017 2018 2019 2020 2021 2022 2023

Principal owners for this class

Owner
All patents
This class
Samsung Display Co., Ltd.
27382
200
Au Optronics Corporation
4316
150
Signify Holding B.V.
6423
110
Shenzhen China Star Optoelectronics Technology Co., Ltd.
9359
104
LG Display Co., Ltd.
11186
84
Suzhou Lekin Semiconductor Co., Ltd.
1886
72
Boe Technology Group Co., Ltd.
32470
66
Samsung Electronics Co., Ltd.
120977
61
LG Innotek Co., Ltd.
5916
58
Sharp Corporation
11091
55
3m Innovative Properties Company
20663
48
Innolux Corporation
2733
39
Japan Display Inc.
5900
33
Opple Lighting Co., Ltd.
630
33
Nichia Corporation
2994
31
Quarkstar LLC
211
30
ABL IP Holding LLC
1949
26
LG Electronics Inc.
66952
25
Panasonic Intellectual Property Management Co., Ltd.
26394
25
Minebea Mitsumi Inc.
1329
24
Other owners 2195

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