- 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: 811
10-year publication summary
113
|
59
|
68
|
59
|
48
|
35
|
39
|
29
|
35
|
9
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
ProTom International Holding Corporation | 62 |
47 |
Hitachi, Ltd. | 16452 |
40 |
ASML Netherlands B.V. | 6816 |
30 |
Mitsubishi Electric Corporation | 43934 |
28 |
Hamamatsu Photonics K.K. | 4161 |
26 |
Hitachi Zosen Corporation | 609 |
26 |
NuFlare Technology, Inc. | 770 |
23 |
Sumitomo Heavy Industries, Ltd. | 1670 |
18 |
ION Beam Applications S.A. | 187 |
14 |
Gigaphoton Inc. | 1120 |
12 |
Xyleco, Inc. | 217 |
12 |
Tetra Laval Holdings & Finance S.A. | 2007 |
10 |
Toshiba Energy Systems & Solutions Corp. | 954 |
10 |
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
10 |
Hitachi High-Tech Corporation | 4424 |
10 |
Neuboron Medtech Ltd. | 93 |
9 |
Varian Medical Systems, Inc. | 850 |
9 |
Hitachi High-Tech Science Corporation | 326 |
8 |
Varian Semiconductor Equipment Associates, Inc. | 1282 |
8 |
FEI Company | 851 |
8 |
Other owners | 453 |