Patent holdings for IPC class G21K 5/08

Total number of patents in this class: 391

10-year publication summary

30
26
22
26
30
20
31
23
23
13
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Riken
1690
13
Hitachi, Ltd.
15459
12
Sumitomo Heavy Industries, Ltd.
1926
11
UChicago Argonne, LLC
912
10
ASML Netherlands B.V.
7361
9
Triumf Inc.
17
9
Gigaphoton Inc.
1220
8
Kaneka Corporation
4506
7
FEI Company
941
6
Hitachi High-Tech Corporation
5282
6
Varian Semiconductor Equipment Associates, Inc.
1231
5
Canadian Light Source Inc.
12
5
Carl Zeiss Meditec, Inc.
285
5
Kyoto University
2802
5
BWXT Isotope Technology Group, Inc.
67
5
Metal Technology Co., Ltd.
6
5
National Institute of Advanced Industrial Science and Technology
3797
4
Best Theratronics Ltd.
55
4
Dana-Farber Cancer Institute, Inc.
2558
4
NorthStar Medical Technologies, LLC
37
4
Other owners 254