- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 23/00 - Details of transit-time tubes of the types covered by group
Patent holdings for IPC class H01J 23/00
Total number of patents in this class: 71
10-year publication summary
|
2
|
8
|
4
|
2
|
3
|
2
|
3
|
1
|
2
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Power Solutions Co., Ltd. | 99 |
5 |
| Mitsubishi Electric Corporation | 46973 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 32504 |
4 |
| Passport Systems, Inc. | 25 |
4 |
| Varex Imaging Corporation | 315 |
4 |
| Samsung Electronics Co., Ltd. | 149198 |
3 |
| Panasonic Corporation | 19952 |
3 |
| Raytheon Company | 8447 |
3 |
| Thales | 1787 |
3 |
| Thales Deutschland GmbH Electron Devices | 5 |
3 |
| Jefferson Science Associates, LLC | 104 |
2 |
| Addup | 128 |
2 |
| Hitachi High-Tech Corporation | 5482 |
2 |
| General Electric Company | 13830 |
1 |
| Hon Hai Precision Industry Co., Ltd. | 4024 |
1 |
| Applied Materials, Inc. | 19298 |
1 |
| Varian Semiconductor Equipment Associates, Inc. | 1224 |
1 |
| Thales SA | 2377 |
1 |
| Tsinghua University | 6023 |
1 |
| Advanced Plasmonics, Inc. | 18 |
1 |
| Other owners | 22 |