- 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 5/04 - Irradiation devices with beam-forming means
Patent holdings for IPC class G21K 5/04
Total number of patents in this class: 824
10-year publication summary
|
59
|
68
|
59
|
48
|
35
|
39
|
29
|
35
|
31
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ProTom International Holding Corporation | 60 |
46 |
| ASML Netherlands B.V. | 7130 |
30 |
| Hitachi, Ltd. | 15203 |
28 |
| Mitsubishi Electric Corporation | 44738 |
27 |
| Hamamatsu Photonics K.K. | 4305 |
26 |
| Hitachi Zosen Corporation | 620 |
26 |
| NuFlare Technology, Inc. | 805 |
23 |
| Hitachi High-Tech Corporation | 5028 |
23 |
| Sumitomo Heavy Industries, Ltd. | 1811 |
18 |
| ION Beam Applications S.A. | 189 |
14 |
| Gigaphoton Inc. | 1186 |
12 |
| Xyleco, Inc. | 191 |
11 |
| Toshiba Energy Systems & Solutions Corp. | 1025 |
11 |
| Tetra Laval Holdings & Finance S.A. | 2072 |
10 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6220 |
10 |
| Neuboron Medtech Ltd. | 93 |
9 |
| Varian Medical Systems, Inc. | 835 |
9 |
| Varian Semiconductor Equipment Associates, Inc. | 1252 |
8 |
| FEI Company | 892 |
8 |
| Hitachi High-Tech Science Corporation | 323 |
7 |
| Other owners | 468 |