- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 40/06 - Photo-emissive cathodes
Patent holdings for IPC class H01J 40/06
Total number of patents in this class: 95
10-year publication summary
|
5
|
4
|
9
|
9
|
10
|
5
|
4
|
6
|
4
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamamatsu Photonics K.K. | 4446 |
34 |
| KLA-Tencor Corporation | 2544 |
11 |
| Photonis France | 54 |
6 |
| Danmarks Tekniske Universitet | 977 |
3 |
| The United States of America as represented by the Secretary of the Navy | 2776 |
2 |
| Elbit Systems of America, LLC | 187 |
2 |
| GE Aviation Systems LLC | 584 |
2 |
| Photonis France SAS | 5 |
2 |
| Smiths Detection Inc. | 137 |
2 |
| Technical University of Denmark | 157 |
2 |
| Shenzhen Genorivision Technology Co., Ltd. | 59 |
2 |
| Triad National Security, LLC | 614 |
2 |
| Aktsionernoe Obshchestvo "KATOD" | 2 |
2 |
| Centre National de La Recherche Scientifique | 10516 |
1 |
| Hitachi, Ltd. | 15556 |
1 |
| The Board of Trustees of the Leland Stanford Junior University | 6451 |
1 |
| Carrier Corporation | 4294 |
1 |
| Lawrence Livermore National Security, LLC | 1947 |
1 |
| University of Southern California | 2114 |
1 |
| Brown University | 652 |
1 |
| Other owners | 16 |