H01J 2201/3048
Semiconductor materials
H01J2201/3048 (Semiconductor materials) appears on 22 US grants and 24 published applications in this corpus.
Search patents in H01J- Granted patents
- 22
- Published applications
- 24
- Assignees
- 12
- Inventors
- 41
- Latest grant
- 1 Aug 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2013 | 1 | 3 |
| 2014 | 3 | 3 |
| 2015 | 1 | 2 |
| 2016 | 1 | 1 |
| 2017 | 3 | 2 |
| 2018 | 2 | 1 |
| 2019 | 2 | 6 |
| 2020 | 6 | 2 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 2 |
By publication year.
Recent patents
- Light modulated electron source1 Aug 2023US 11,715,615 B2KLA Corporation
- Light modulated electron source16 Aug 2022US 11,417,492 B2KLA Corporation
- Diamond semiconductor device18 May 2021US 11,011,605 B2Evince Technology Limited
- Photocathode designs and methods of generating an electron beam using a photocathode13 Oct 2020US 10,804,069 B2KLA-Tencor Corporation
- Electron beam generation and measurement18 Aug 2020US 10,748,737 B2KLA-Tencor Corporation
- Electron source27 Nov 2025US 2025/0364199 A1
- Package having field emission element and x-ray device having the same28 Aug 2025US 2025/0275297 A1LG Electronics Inc.
- Light Modulated Electron Source20 Oct 2022US 2022/0336180 A1KLA Corporation
- Light modulated electron source1 Apr 2021US 2021/0098222 A1KLA Corporation
- Photocathode designs and methods of generating an electron beam using a photocathode9 Apr 2020US 2020/0111637 A1KLA-Tencor Corporation
Most cited
By later US patents
- Field emission devices and methods of making thereof14US 9,711,392 B2Infineon Technologies AG · 2017
- Field emission device10US 8,575,842 B2Elwha LLC · 2013
- Electron source6US 10,133,181 B2KLA-Tencor Corporation · 2018
- Electron source4US 10,558,123 B2KLA-Tencor Corporation · 2020
- Ruthenium encapsulated photocathode electron emitter1US 10,395,884 B2KLA-Tencor Corporation · 2019