- 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: 97
10-year publication summary
|
4
|
9
|
9
|
10
|
5
|
4
|
6
|
4
|
2
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamamatsu Photonics K.K. | 4584 |
37 |
| KLA-Tencor Corporation | 2525 |
11 |
| Photonis France | 56 |
6 |
| Danmarks Tekniske Universitet | 1009 |
3 |
| The United States of America as represented by the Secretary of the Navy | 2818 |
2 |
| Elbit Systems of America, LLC | 180 |
2 |
| GE Aviation Systems LLC | 582 |
2 |
| Photonis France SAS | 5 |
2 |
| Smiths Detection Inc. | 127 |
2 |
| Technical University of Denmark | 155 |
2 |
| Shenzhen Genorivision Technology Co., Ltd. | 59 |
2 |
| Triad National Security, LLC | 620 |
2 |
| Aktsionernoe Obshchestvo "KATOD" | 2 |
2 |
| Centre National de La Recherche Scientifique | 10830 |
1 |
| The Board of Trustees of the Leland Stanford Junior University | 6597 |
1 |
| Carrier Corporation | 3980 |
1 |
| Lawrence Livermore National Security, LLC | 1954 |
1 |
| University of Southern California | 2124 |
1 |
| Brown University | 664 |
1 |
| Calabazas Creek Research, Inc. | 11 |
1 |
| Other owners | 15 |