- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 23/08 - Focusing arrangements, e.g. for concentrating stream of electrons, for preventing spreading of stream
Patent holdings for IPC class H01J 23/08
Total number of patents in this class: 17
10-year publication summary
|
2
|
1
|
3
|
1
|
1
|
0
|
0
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hon Hai Precision Industry Co., Ltd. | 4157 |
3 |
| Tsinghua University | 5426 |
3 |
| Massachusetts Institute of Technology | 9795 |
1 |
| ASML Netherlands B.V. | 6816 |
1 |
| Calabazas Creek Research, Inc. | 12 |
1 |
| Denton Vacuum, L.L.C. | 17 |
1 |
| Ecole Nationale Superieure de Techniques Avancees | 32 |
1 |
| Ecole Polytechnique | 308 |
1 |
| International Technology Center | 19 |
1 |
| KLA-Tencor Corporation | 2574 |
1 |
| NEC Network and Sensor Systems, Ltd. | 49 |
1 |
| Shenzhen University | 1544 |
1 |
| Hermes Microvision Incorporated B.V. | 129 |
1 |
| Other owners | 0 |