Patent holdings for IPC class G21K 1/093

Total number of patents in this class: 224

10-year publication summary

18
25
18
22
24
12
12
19
11
2
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.
1152
11
Hitachi High-Tech Corporation
5846
8
Balakin, Andrey Vladimirovich
65
8
Balakin, Pavel Vladimirovich
65
8
Hitachi, Ltd.
16094
7
Kyocera Corporation
14359
7
Massachusetts Institute of Technology
10251
6
ION Beam Applications S.A.
185
6
Mevion Medical Systems, Inc.
106
6
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation
6178
6
Toshiba Corporation
12560
5
Mitsubishi Electric Corporation
48018
5
Varian Medical Systems, Inc.
911
5
Riken
1717
4
B Dot Medical Inc.
32
4
ASML Netherlands B.V.
7925
3
Cern - European Organization for Nuclear Research
55
3
P M B
12
3
Shanghai United Imaging Healthcare Co., Ltd.
2116
3
Other owners 101