- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 47/06 - Proportional counter tubes
Patent holdings for IPC class H01J 47/06
Total number of patents in this class: 45
10-year publication summary
|
5
|
6
|
4
|
2
|
4
|
3
|
0
|
0
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dai Nippon Printing Co., Ltd. | 4113 |
13 |
| Hoya Corporation | 2753 |
5 |
| Shimadzu Corporation | 6191 |
2 |
| Fujikura Ltd. | 2947 |
2 |
| Kyoto University | 2809 |
2 |
| Fujikura Printed Circuits Ltd. | 11 |
2 |
| Hitachi, Ltd. | 15556 |
1 |
| Cree, Inc. | 978 |
1 |
| Thermo Finnigan LLC | 637 |
1 |
| CEA | 8 |
1 |
| Cern - European Organization for Nuclear Research | 53 |
1 |
| EOS Imaging | 68 |
1 |
| Mitsubishi Materials Corporation | 2454 |
1 |
| Rigaku Corporation | 441 |
1 |
| Riken | 1695 |
1 |
| SCIenergy Co., Ltd. | 2 |
1 |
| Toshiba Electron Tubes & Devices Co., Ltd. | 52 |
1 |
| Universidade de Coimbra | 178 |
1 |
| The University of Tokyo | 4200 |
1 |
| The University of Warwick | 249 |
1 |
| Other owners | 5 |