- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 1/30 - Cold cathodes
Patent holdings for IPC class H01J 1/30
Total number of patents in this class: 87
10-year publication summary
|
8
|
2
|
3
|
4
|
4
|
1
|
5
|
1
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Electronics and Telecommunications Research Institute | 8830 |
8 |
| Samsung Electronics Co., Ltd. | 131630 |
4 |
| Hon Hai Precision Industry Co., Ltd. | 4157 |
4 |
| Hitachi High-Technologies Corporation | 2034 |
4 |
| Tsinghua University | 5426 |
4 |
| Korea Advanced Institute of Science and Technology | 3906 |
3 |
| Cebt Co. Ltd. | 23 |
3 |
| LG Chem, Ltd. | 17205 |
2 |
| ILJIN Diamond Co., Ltd. | 37 |
2 |
| Saint-Gobain Glass France | 3641 |
2 |
| SRI International | 974 |
2 |
| University of Southampton | 444 |
2 |
| Thales | 1854 |
2 |
| Hitachi High-Tech Corporation | 4424 |
2 |
| US Electron, Inc. | 2 |
2 |
| International Business Machines Corporation | 60644 |
1 |
| Centre National de La Recherche Scientifique | 9632 |
1 |
| Sharp Corporation | 10015 |
1 |
| Texas Instruments Incorporated | 19376 |
1 |
| Nikon Corporation | 7162 |
1 |
| Other owners | 36 |