- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 19/02 - Electron-emitting electrodesCathodes
Patent holdings for IPC class H01J 19/02
Total number of patents in this class: 16
10-year publication summary
|
3
|
1
|
1
|
1
|
1
|
2
|
1
|
1
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamamatsu Photonics K.K. | 4405 |
2 |
| Hon Hai Precision Industry Co., Ltd. | 4039 |
1 |
| STMicroelectronics S.r.l. | 3613 |
1 |
| STMicroelectronics Pte Ltd. | 80 |
1 |
| Tsinghua University | 5890 |
1 |
| Advanced Fusion Systems LLC | 68 |
1 |
| Shenzhen Bencent Electronics Co., Ltd. | 16 |
1 |
| University of Houston System | 1079 |
1 |
| Yamaguchi University | 312 |
1 |
| Hitachi High-Tech Corporation | 5282 |
1 |
| Emiko Takahira | 2 |
1 |
| Reiko Ando | 2 |
1 |
| Yoshiyuki Ando | 2 |
1 |
| Yukiko Noguchi | 2 |
1 |
| Modern Hydrogen, Inc. | 33 |
1 |
| Other owners | 0 |