- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 7/42 - Means structurally associated with the tube or lamp for indicating defects or previous use
Patent holdings for IPC class H01J 7/42
Total number of patents in this class: 43
10-year publication summary
|
4
|
6
|
9
|
5
|
5
|
2
|
0
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ABL IP Holding LLC | 1929 |
5 |
| RAB Lighting Inc. | 368 |
5 |
| Panasonic Intellectual Property Corporation of America | 7230 |
4 |
| Signify Holding B.V. | 6837 |
3 |
| Lutron Technology Company LLC | 2300 |
3 |
| Samsung Display Co., Ltd. | 30585 |
2 |
| Leviton Manufacturing Co., Inc. | 844 |
2 |
| Ideal Industries Lighting LLC | 1168 |
2 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| Sony Corporation | 32931 |
1 |
| Seiko Epson Corporation | 18724 |
1 |
| Electronics and Telecommunications Research Institute | 8830 |
1 |
| Infineon Technologies AG | 8189 |
1 |
| ADMMicro Properties, LLC | 3 |
1 |
| Color Kinetics, Inc. | 15 |
1 |
| EPtronics, Inc. | 11 |
1 |
| Express Imaging Systems, LLC | 94 |
1 |
| Otis Elevator Company | 2677 |
1 |
| Richard d. Ashoff | 2 |
1 |
| Steelcase Inc. | 1361 |
1 |
| Other owners | 5 |