Patent holdings for IPC class G21K 5/08

Total number of patents in this class: 397

10-year publication summary

25
24
22
25
26
18
26
21
22
17
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Riken
1695
13
Hitachi, Ltd.
15572
12
Sumitomo Heavy Industries, Ltd.
1949
11
UChicago Argonne, LLC
922
10
ASML Netherlands B.V.
7441
9
Triumf Inc.
19
9
Gigaphoton Inc.
1244
8
Kaneka Corporation
4577
7
FEI Company
952
6
NorthStar Medical Technologies, LLC
43
6
Hitachi High-Tech Corporation
5374
6
Varian Semiconductor Equipment Associates, Inc.
1231
5
Canadian Light Source Inc.
12
5
Carl Zeiss Meditec, Inc.
281
5
Kyoto University
2811
5
BWXT Isotope Technology Group, Inc.
67
5
Metal Technology Co., Ltd.
6
5
National Institute of Advanced Industrial Science and Technology
3793
4
Best Theratronics Ltd.
53
4
Dana-Farber Cancer Institute, Inc.
2593
4
Other owners 258