Patent holdings for IPC class H01J 61/30

Total number of patents in this class: 334

10-year publication summary

22
22
13
14
17
15
19
16
12
2
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
OSRAM GmbH
2382
19
Panasonic Corporation
20099
18
Excelitas Technologies Corp.
312
12
KLA-Tencor Corporation
2544
12
Ushio Denki Kabushiki Kaisha
1181
12
General Electric Company
13793
11
Koninklijke Philips Electronics N.V.
9618
10
Hamamatsu Photonics K.K.
4418
8
Saint-Gobain Glass France
3756
8
KLA Corporation
1555
7
Osram AG
302
6
Nippon Electric Glass Co., Ltd.
2457
6
NGK Insulators, Ltd.
4964
5
Bourns, Inc.
179
5
Iwasaki Electric Co., Ltd.
151
5
Lumileds LLC
698
5
SCHOTT AG
1712
5
Ampliqa, Inc.
6
5
Philips Intellectual Property & Standards GmbH
1931
5
The Boeing Company
20053
4
Other owners 166