Patent holdings for IPC class G21K 5/08

Total number of patents in this class: 381

10-year publication summary

30
26
22
26
30
20
31
23
22
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Hitachi, Ltd.
15226
12
Riken
1685
11
UChicago Argonne, LLC
888
11
Sumitomo Heavy Industries, Ltd.
1815
10
ASML Netherlands B.V.
7171
9
Triumf Inc.
17
9
Gigaphoton Inc.
1187
8
Kaneka Corporation
4498
7
FEI Company
895
6
Hitachi High-Tech Corporation
5050
6
Varian Semiconductor Equipment Associates, Inc.
1251
5
Canadian Light Source Inc.
12
5
Carl Zeiss Meditec, Inc.
282
5
Kyoto University
2778
5
BWXT Isotope Technology Group, Inc.
65
5
General Electric Company
17789
4
National Institute of Advanced Industrial Science and Technology
3736
4
Best Theratronics Ltd.
55
4
Dana-Farber Cancer Institute, Inc.
2535
4
GE-Hitachi Nuclear Energy Americas LLC
416
4
Other owners 247