Patent holdings for IPC class G21K 1/093

Total number of patents in this class: 223

10-year publication summary

10
20
18
25
18
22
23
12
11
4
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
15
Hitachi, Ltd.
16452
10
Toshiba Energy Systems & Solutions Corp.
954
10
Balakin, Andrey Vladimirovich
65
8
Balakin, Pavel Vladimirovich
65
8
Kyocera Corporation
12735
7
Massachusetts Institute of Technology
9795
6
ION Beam Applications S.A.
187
6
Varian Medical Systems, Inc.
850
6
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation
6275
6
Mitsubishi Electric Corporation
43934
5
Mevion Medical Systems, Inc.
102
5
Toshiba Corporation
12017
4
Riken
1669
4
Hitachi High-Tech Corporation
4424
4
ASML Netherlands B.V.
6816
3
California Institute of Technology
3884
3
President and Fellows of Harvard College
5792
3
Cern - European Organization for Nuclear Research
52
3
Ecole Polytechnique
308
3
Other owners 104