- All sections
- G - Physics
- G21K - Techniques for handling particles or ionising radiation not otherwise provided forirradiation devicesgamma ray or x-ray microscopes
- G21K 5/00 - Irradiation devices
Patent holdings for IPC class G21K 5/00
Total number of patents in this class: 513
10-year publication summary
|
30
|
23
|
24
|
19
|
17
|
11
|
10
|
13
|
17
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ASML Netherlands B.V. | 8005 |
34 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48760 |
22 |
| Gigaphoton Inc. | 1333 |
19 |
| Hitachi Zosen Corporation | 588 |
19 |
| Hamamatsu Photonics K.K. | 4703 |
16 |
| Immunolight, LLC | 212 |
16 |
| Varian Semiconductor Equipment Associates, Inc. | 1179 |
13 |
| Duke University | 3182 |
12 |
| NuFlare Technology, Inc. | 927 |
12 |
| Ushio Denki Kabushiki Kaisha | 1210 |
10 |
| Samsung Electronics Co., Ltd. | 158842 |
8 |
| LeChat | 39 |
8 |
| FEI Company | 1062 |
7 |
| Sumitomo Heavy Industries, Ltd. | 2127 |
7 |
| Hitachi High-Tech Corporation | 5957 |
6 |
| Tetra Laval Holdings & Finance S.A. | 2254 |
5 |
| The Regents of the University of California | 20868 |
4 |
| Hitachi, Ltd. | 16194 |
4 |
| Mitsubishi Electric Corporation | 48287 |
4 |
| Synopsys, Inc. | 2636 |
4 |
| Other owners | 283 |