- 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: 664
10-year publication summary
|
35
|
41
|
40
|
19
|
6
|
3
|
2
|
1
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pixart Imaging Inc. | 1581 |
17 |
| Samsung Electronics Co., Ltd. | 131630 |
14 |
| Toshiba Corporation | 12017 |
14 |
| OmniVision Technologies, Inc. | 1502 |
14 |
| Hamamatsu Photonics K.K. | 4161 |
13 |
| Aptina Imaging Corporation | 658 |
12 |
| Avago Technologies International Sales Pte. Limited | 9260 |
11 |
| Apple Inc. | 50209 |
10 |
| Raytheon Company | 8535 |
10 |
| Semiconductor Energy Laboratory Co., Ltd. | 10902 |
9 |
| Semiconductor Components Industries, L.L.C. | 5345 |
8 |
| SICK AG | 673 |
8 |
| Canon Inc. | 36841 |
7 |
| Omron Corporation | 6968 |
7 |
| Sony Corporation | 32931 |
6 |
| Panasonic Corporation | 20786 |
6 |
| Seiko Epson Corporation | 18724 |
6 |
| Fujitsu Limited | 19265 |
6 |
| Sharp Corporation | 10015 |
6 |
| BAE Systems Information and Electronic Systems Integration Inc. | 1760 |
6 |
| Other owners | 474 |