Patent holdings for IPC class G21K 1/093

Total number of patents in this class: 231

10-year publication summary

18
18
25
16
22
24
12
11
19
11
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
ProTom International Holding Corporation
60
15
Toshiba Energy Systems & Solutions Corp.
1110
11
Varian Medical Systems, Inc.
866
8
Balakin, Andrey Vladimirovich
65
8
Balakin, Pavel Vladimirovich
65
8
Hitachi, Ltd.
15712
7
Kyocera Corporation
14091
7
Hitachi High-Tech Corporation
5482
7
Massachusetts Institute of Technology
10150
6
ION Beam Applications S.A.
191
6
Mevion Medical Systems, Inc.
105
6
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation
6233
6
Toshiba Corporation
12547
5
Mitsubishi Electric Corporation
46973
5
Riken
1695
4
B Dot Medical Inc.
30
4
ASML Netherlands B.V.
7593
3
Cern - European Organization for Nuclear Research
54
3
Ecole Polytechnique
330
3
Institut National de La Recherche Scientifique (inrs)
37
3
Other owners 106