- Sections
- H - Électricité
- H01J - Tubes à décharge électrique ou lampes à décharge électrique
- H01J 1/34 - Cathodes photo-émissives
Détention brevets de la classe H01J 1/34
Brevets de cette classe: 171
Historique des publications depuis 10 ans
|
12
|
8
|
12
|
20
|
20
|
12
|
10
|
17
|
5
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Hamamatsu Photonics K.K. | 4686 |
28 |
| KLA-Tencor Corporation | 2518 |
14 |
| Photo Electron Soul Inc. | 35 |
11 |
| Photonis France | 58 |
9 |
| Elbit Systems of America, LLC | 179 |
7 |
| Hitachi High-Tech Corporation | 5857 |
7 |
| L3Harris Technologies, Inc. | 362 |
6 |
| Arizona Board of Regents on behalf of Arizona State University | 2941 |
3 |
| National University Corporation Nagoya University | 784 |
3 |
| National University Corporation Shizuoka University | 383 |
3 |
| Photonis Netherlands B.V. | 33 |
3 |
| Radiation Monitoring Devices, Inc. | 83 |
3 |
| Technical University of Denmark | 153 |
3 |
| Triad National Security, LLC | 635 |
3 |
| KLA Corporation | 1856 |
3 |
| Photonics West, LLC | 22 |
3 |
| International Business Machines Corporation | 62671 |
2 |
| Centre National de La Recherche Scientifique | 11026 |
2 |
| ASML Netherlands B.V. | 7939 |
2 |
| The United States of America as represented by the Secretary of the Navy | 2860 |
2 |
| Autres propriétaires | 54 |