Patent holdings for IPC class G21K 1/093

Total number of patents in this class: 228

10-year publication summary

18
25
16
22
24
12
11
19
11
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
ProTom International Holding Corporation
60
15
Toshiba Energy Systems & Solutions Corp.
1123
11
Varian Medical Systems, Inc.
881
8
Balakin, Andrey Vladimirovich
65
8
Balakin, Pavel Vladimirovich
65
8
Hitachi, Ltd.
15803
7
Kyocera Corporation
14185
7
Hitachi High-Tech Corporation
5573
7
Massachusetts Institute of Technology
10178
6
ION Beam Applications S.A.
190
6
Mevion Medical Systems, Inc.
106
6
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation
6222
6
Toshiba Corporation
12536
5
Mitsubishi Electric Corporation
47338
5
Riken
1703
4
B Dot Medical Inc.
30
4
ASML Netherlands B.V.
7658
3
Cern - European Organization for Nuclear Research
55
3
P M B
13
3
Shanghai United Imaging Healthcare Co., Ltd.
2003
3
Other owners 103