H01J 2201/2839
Hair-pin or simple bend
H01J2201/2839 (Hair-pin or simple bend) appears on 5 US grants and 7 published applications in this corpus.
Search patents in H01J- Granted patents
- 5
- Published applications
- 7
- Assignees
- 4
- Inventors
- 14
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 2 | 3 |
| 2025 | 0 | 0 |
| 2026 | 2 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- System and apparatus for stabilizing electron sources in charged particle systems10 Mar 2026US 12,573,580 B2ASML Netherlands B. V.
- Charged particle beam source13 Jan 2026US 12,525,420 B2FEI Company
- Emitter and device provided with same22 Oct 2024US 12,125,663 B2Denka Company Limited
- Pincer mount cathode2 Jul 2024US 12,027,340 B2Kimball Physics, Inc.
- Charged particle beam source5 Jul 2022US 11,380,511 B2FEI Company
- Sintered material, method for producing same, and electron source and device provided with same13 Aug 2026US 2026/0233304 A1
- System and apparatus for stabilizing electron sources in charged particle systems17 Oct 2024US 2024/0347311 A1ASML Netherlands B. V.
- Pincer Mount Cathode16 May 2024US 2024/0161994 A1Kimball Physics, Inc.
- Emitter and device provided with same9 May 2024US 2024/0153730 A1Denka Company Limited
- Charged particle beam source12 Jan 2023US 2023/0011267 A1FEI Company
Most cited
By later US patents