- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 40/14 - Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for
Patent holdings for IPC class H01J 40/14
Total number of patents in this class: 601
10-year publication summary
|
41
|
40
|
19
|
6
|
3
|
2
|
1
|
0
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toshiba Corporation | 12037 |
14 |
| Hamamatsu Photonics K.K. | 4305 |
14 |
| Pixart Imaging Inc. | 1606 |
14 |
| OmniVision Technologies, Inc. | 1537 |
13 |
| Samsung Electronics Co., Ltd. | 138518 |
12 |
| Aptina Imaging Corporation | 528 |
11 |
| Avago Technologies International Sales Pte. Limited | 8950 |
10 |
| Apple Inc. | 52607 |
9 |
| Raytheon Company | 8438 |
9 |
| Semiconductor Energy Laboratory Co., Ltd. | 11071 |
8 |
| Semiconductor Components Industries, L.L.C. | 5242 |
8 |
| SICK AG | 700 |
8 |
| Canon Inc. | 38071 |
7 |
| Panasonic Corporation | 20327 |
6 |
| Elbit Systems of America, LLC | 190 |
6 |
| Sony Corporation | 31565 |
5 |
| The Boeing Company | 19901 |
5 |
| Fujitsu Limited | 18419 |
5 |
| Sharp Corporation | 10185 |
5 |
| Omron Corporation | 7151 |
5 |
| Other owners | 427 |