- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 65/04 - Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating
Patent holdings for IPC class H01J 65/04
Total number of patents in this class: 427
10-year publication summary
46
|
34
|
32
|
22
|
23
|
17
|
18
|
25
|
26
|
5
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Ceravision Limited | 49 |
35 |
KLA-Tencor Corporation | 2574 |
32 |
Koninklijke Philips Electronics N.V. | 13133 |
23 |
OSRAM GmbH | 2442 |
20 |
Excelitas Technologies Corp. | 290 |
16 |
Philips Intellectual Property & Standards GmbH | 2395 |
16 |
KLA Corporation | 1223 |
14 |
ASML Netherlands B.V. | 6816 |
13 |
Hamamatsu Photonics K.K. | 4161 |
13 |
Ushio Denki Kabushiki Kaisha | 1088 |
13 |
Energetiq Technology, Inc. | 34 |
9 |
Nordson Corporation | 1246 |
6 |
Samsung Electronics Co., Ltd. | 131630 |
5 |
Matsushita Electric Works, Ltd. | 229 |
5 |
Consiglio Nazionale delle Ricerche | 521 |
5 |
Heraeus Noblelight GmbH | 233 |
5 |
Lumartix SA | 5 |
5 |
Saint-Gobain Glass France | 3641 |
5 |
Ampliqa, Inc. | 6 |
5 |
Signify Holding B.V. | 6837 |
5 |
Other owners | 177 |