Patent holdings for IPC class G21K 5/08

Total number of patents in this class: 376

10-year publication summary

27
30
26
22
26
29
20
31
23
7
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Hitachi, Ltd.
16452
11
Riken
1669
11
UChicago Argonne, LLC
866
10
ASML Netherlands B.V.
6816
9
Triumf Inc.
17
9
Gigaphoton Inc.
1120
8
Sumitomo Heavy Industries, Ltd.
1670
8
Kaneka Corporation
4445
7
FEI Company
851
6
Hitachi High-Tech Corporation
4424
6
Varian Semiconductor Equipment Associates, Inc.
1282
5
Nikon Corporation
7162
5
Canadian Light Source Inc.
12
5
Carl Zeiss Meditec, Inc.
282
5
Kyoto University
2732
5
General Electric Company
18133
4
National Institute of Advanced Industrial Science and Technology
3677
4
Best Theratronics Ltd.
52
4
Dana-Farber Cancer Institute, Inc.
2455
4
GE-Hitachi Nuclear Energy Americas LLC
406
4
Other owners 246