- All sections
- G - Physics
- G21K - Techniques for handling particles or ionising radiation not otherwise provided for; irradiation devices; gamma ray or x-ray microscopes
- G21K 5/02 - Irradiation devices having no beam-forming means
Patent holdings for IPC class G21K 5/02
Total number of patents in this class: 228
10-year publication summary
|
33
|
21
|
21
|
13
|
12
|
19
|
11
|
9
|
10
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gigaphoton Inc. | 1120 |
14 |
| Hamamatsu Photonics K.K. | 4161 |
11 |
| LeChat | 36 |
11 |
| Tetra Laval Holdings & Finance S.A. | 2007 |
9 |
| ASML Netherlands B.V. | 6816 |
5 |
| Avery Dennison Corporation | 1291 |
5 |
| The Regents of the University of California | 18943 |
4 |
| IHI Corporation | 3268 |
4 |
| Rigaku Corporation | 379 |
4 |
| Riken | 1669 |
4 |
| Sumitomo Heavy Industries, Ltd. | 1670 |
4 |
| The University of Tokyo | 3903 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
3 |
| Panasonic Corporation of North America | 298 |
3 |
| Hitachi, Ltd. | 16452 |
3 |
| Nikon Corporation | 7162 |
3 |
| Shimadzu Corporation | 5791 |
3 |
| HORIBA, Ltd. | 746 |
3 |
| Kyoto University | 2732 |
3 |
| National Institute of Radiological Sciences | 112 |
3 |
| Other owners | 125 |