- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 61/04 - Electrodes; Screens; Shields
Patent holdings for IPC class H01J 61/04
Total number of patents in this class: 80
10-year publication summary
3
|
1
|
2
|
5
|
6
|
1
|
4
|
4
|
4
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Ushio Denki Kabushiki Kaisha | 1088 |
10 |
NS Nanotech, Inc. | 8 |
5 |
Koninklijke Philips Electronics N.V. | 13133 |
4 |
The Board of Trustees of the University of Illinois | 2623 |
4 |
OSRAM GmbH | 2442 |
3 |
KLA-Tencor Corporation | 2574 |
3 |
ASML Netherlands B.V. | 6816 |
2 |
Heraeus Noblelight GmbH | 233 |
2 |
Mattson Technology, Inc. | 231 |
2 |
Xylem IP Management S.a.r.l. | 37 |
2 |
Philips Intellectual Property & Standards GmbH | 2395 |
2 |
Langsim Optoelectronic Technologies (Guangdong) Limited | 7 |
2 |
The Boeing Company | 19843 |
1 |
Matsushita Electric Industrial Co., Ltd. | 4724 |
1 |
Hewlett-Packard Development Company, L.P. | 28538 |
1 |
Seiko Epson Corporation | 18724 |
1 |
Cymer, LLC | 347 |
1 |
Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | 166 |
1 |
Hamamatsu Photonics K.K. | 4161 |
1 |
Agency for Defense Development | 375 |
1 |
Other owners | 31 |