Patent holdings for IPC class G21K 5/10

Total number of patents in this class: 406

10-year publication summary

20
23
21
13
9
11
14
3
11
12
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Varian Semiconductor Equipment Associates, Inc.
1227
23
NuFlare Technology, Inc.
879
17
Axcelis Technologies, Inc.
427
15
ASML Netherlands B.V.
7558
14
Hitachi Zosen Corporation
614
8
ION Beam Applications S.A.
190
8
Hitachi High-Tech Corporation
5445
8
FEI Company
980
7
Gatan, Inc.
105
6
NexGen Semi Holding, Inc.
22
5
Xyleco, Inc.
193
5
The Regents of the University of California
20245
4
Canon Inc.
40926
4
Applied Materials, Inc.
19173
4
Tsinghua University
6009
4
Hamamatsu Photonics K.K.
4478
4
Airex Co., Ltd.
84
4
Best Theratronics Ltd.
52
4
Bruker Nano, Inc.
347
4
IMS Nanofabrication GmbH
60
4
Other owners 254