Patent holdings for IPC class H01J 61/16

Total number of patents in this class: 173

10-year publication summary

13
7
7
12
11
18
22
20
17
4
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Ushio Denki Kabushiki Kaisha
1179
29
Excelitas Technologies Corp.
295
14
Hamamatsu Photonics K.K.
4405
10
KLA Corporation
1532
9
Energetiq Technology, Inc.
49
6
KLA-Tencor Corporation
2545
5
Cymer, LLC
384
4
Panasonic Corporation
20136
3
OSRAM GmbH
2382
3
Ledvance LLC
319
3
SICO Technology GmbH
8
3
Toshiba Lighting & Technology Corporation
271
3
Excelitas Technologies Singapore Pte. Ltd.
37
3
United Kingdom Research and Innovation
365
3
Signify Holding B.V.
7489
3
Far UV Technologies, Inc.
7
3
Honeywell International Inc.
13525
2
Matsushita Electric Industrial Co., Ltd.
1639
2
Panasonic Intellectual Property Management Co., Ltd.
31221
2
Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH
86
2
Other owners 61