- All sections
- G - Physics
- G21K - Techniques for handling particles or ionising radiation not otherwise provided forirradiation devicesgamma ray or x-ray microscopes
- G21K 5/04 - Irradiation devices with beam-forming means
Patent holdings for IPC class G21K 5/04
Total number of patents in this class: 828
10-year publication summary
|
68
|
58
|
48
|
36
|
40
|
30
|
35
|
33
|
25
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ProTom International Holding Corporation | 60 |
46 |
| ASML Netherlands B.V. | 8005 |
30 |
| Hitachi, Ltd. | 16194 |
28 |
| Mitsubishi Electric Corporation | 48287 |
27 |
| Hitachi Zosen Corporation | 588 |
26 |
| Hitachi High-Tech Corporation | 5957 |
24 |
| NuFlare Technology, Inc. | 927 |
22 |
| Hamamatsu Photonics K.K. | 4703 |
21 |
| Sumitomo Heavy Industries, Ltd. | 2127 |
18 |
| ION Beam Applications S.A. | 184 |
13 |
| Toshiba Energy Systems & Solutions Corp. | 1142 |
13 |
| Gigaphoton Inc. | 1333 |
12 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6162 |
12 |
| Xyleco, Inc. | 186 |
11 |
| Tetra Laval Holdings & Finance S.A. | 2254 |
10 |
| Neuboron Medtech Ltd. | 94 |
9 |
| Varian Medical Systems, Inc. | 917 |
9 |
| Varian Semiconductor Equipment Associates, Inc. | 1179 |
8 |
| FEI Company | 1062 |
8 |
| Siemens Healthineers AG | 7103 |
7 |
| Other owners | 474 |