- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 37/065 - Construction of guns or parts thereof
Patent holdings for IPC class H01J 37/065
Total number of patents in this class: 125
10-year publication summary
|
12
|
9
|
10
|
15
|
9
|
8
|
11
|
11
|
9
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ASML Netherlands B.V. | 6816 |
17 |
| NuFlare Technology, Inc. | 770 |
8 |
| Hitachi High-Tech Corporation | 4424 |
8 |
| Hitachi High-Technologies Corporation | 2034 |
6 |
| KLA-Tencor Corporation | 2574 |
6 |
| Advantest Corporation | 1939 |
4 |
| Mapper Lithography IP B.V. | 136 |
4 |
| Nikon Metrology, NV | 69 |
3 |
| 38th Research Institute, China Electronics Technology Group Corporation | 36 |
3 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 680 |
3 |
| Paton Turbine Technologies LLC | 3 |
3 |
| Applied Physics Technologies, Inc. | 12 |
2 |
| Arcam AB | 204 |
2 |
| Denka Company Limited | 2189 |
2 |
| ICT Integrated Circuit Testing Gesellschaft für Halbleiterprüftechnik mbH | 149 |
2 |
| Param Corporation | 8 |
2 |
| Titanium Metals Corporation | 80 |
2 |
| ULVAC, Inc. | 1448 |
2 |
| NuFlare Technology America, Inc. | 21 |
2 |
| TWi Limited | 17 |
2 |
| Other owners | 42 |