- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 9/22 - Applying luminescent coatings
Patent holdings for IPC class H01J 9/22
Total number of patents in this class: 45
10-year publication summary
|
4
|
4
|
4
|
2
|
2
|
2
|
1
|
2
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
7 |
| Hamamatsu Photonics K.K. | 4161 |
5 |
| Samsung Display Co., Ltd. | 30585 |
3 |
| General Electric Company | 18133 |
2 |
| Merck Patent GmbH | 5909 |
2 |
| Matsushita Electric Industrial Co., Ltd. | 4724 |
2 |
| FUJIFILM Corporation | 27102 |
2 |
| Savant Technologies, LLC | 343 |
2 |
| LG Display Co., Ltd. | 11907 |
1 |
| Thomson Licensing | 4027 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
1 |
| OSRAM GmbH | 2442 |
1 |
| OSRAM Opto Semiconductors GmbH | 3390 |
1 |
| The Board of Trustees of the University of Illinois | 2623 |
1 |
| Anhui Shilin Lighting Co.,Ltd. | 9 |
1 |
| Bridgelux, Inc. | 351 |
1 |
| Coretronic Corporation | 1165 |
1 |
| Goertek Inc. | 2477 |
1 |
| Guangdong Elx Lighting Technology Co., Ltd. | 4 |
1 |
| HannStar Display Corp. | 591 |
1 |
| Other owners | 8 |