- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 31/12 - Image or pattern display tubes, i.e. having electrical input and optical outputFlying-spot tubes for scanning purposes with luminescent screen
Patent holdings for IPC class H01J 31/12
Total number of patents in this class: 119
10-year publication summary
|
6
|
2
|
1
|
1
|
0
|
1
|
1
|
1
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hon Hai Precision Industry Co., Ltd. | 4022 |
20 |
| Tsinghua University | 6211 |
20 |
| E. I. du Pont de Nemours and Company | 3534 |
7 |
| Canon Kabushiki Kaisha | 7314 |
6 |
| Fuzhou University | 339 |
5 |
| Semiconductor Energy Laboratory Co., Ltd. | 11821 |
4 |
| National Institute for Materials Science | 1085 |
4 |
| Panasonic Corporation | 19019 |
3 |
| Boe Technology Group Co., Ltd. | 44029 |
3 |
| Beijing BOE Optoelectronics Technology Co., Ltd. | 3932 |
3 |
| Ocean's King Lighting Science & Technology Co., Ltd. | 273 |
3 |
| Sharp Kabushiki Kaisha | 18523 |
3 |
| Thomson Licensing | 3194 |
2 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11123 |
2 |
| Dowa Holdings Co., Ltd. | 87 |
2 |
| Tohoku University | 2980 |
2 |
| L3Harris Technologies, Inc. | 362 |
2 |
| Nano-x Imaging Ltd | 22 |
2 |
| Purefize Technologies AB | 32 |
2 |
| Samsung Electronics Co., Ltd. | 157719 |
1 |
| Other owners | 23 |