Patent holdings for IPC class G21K 1/087

Total number of patents in this class: 82

10-year publication summary

4
8
10
9
5
9
2
5
8
1
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
11
Balakin, Andrey Vladimirovich
65
6
Balakin, Pavel Vladimirovich
65
6
NuFlare Technology, Inc.
832
4
Hitachi High-Tech Corporation
5211
4
Siemens AG
24542
3
The Regents of the University of California
19752
2
Tsinghua University
5811
2
The Institute of Cancer Research: Royal Cancer Hospital
185
2
11093568 Canada Ltd.
3
2
Quantinuum LLC
210
2
Samsung Electronics Co., Ltd.
143021
1
General Electric Company
17066
1
Hitachi, Ltd.
15364
1
Applied Materials, Inc.
18299
1
Applied Materials Israel, Ltd.
594
1
Infineon Technologies Austria AG
2117
1
Mitsubishi Electric Corporation
45583
1
Huawei Technologies Co., Ltd.
110033
1
Kyocera Corporation
13602
1
Other owners 29