Emitter and device comprising same
US-12586747-B2 · Mar 24, 2026 · US
Insulation between electrodes or supports within the vacuum space · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01J1/90 |
| Official title | Insulation between electrodes or supports within the vacuum space |
| Display label | Insulation between electrodes or supports within the vacuum space |
| Total patents | 10 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2021 | 1 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 2 |
| 2026 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12586747-B2 · Mar 24, 2026 · US
US-2026005005-A1 · Jan 1, 2026 · US
US-2025218717-A1 · Jul 3, 2025 · US
US-12308199-B2 · May 20, 2025 · US
US-11887802-B2 · Jan 30, 2024 · US
US-2023290603-A1 · Sep 14, 2023 · US
US-2023134647-A1 · May 4, 2023 · US
US-11043349-B1 · Jun 22, 2021 · US
US-9508522-B2 · Nov 29, 2016 · US
US-9215759-B2 · Dec 15, 2015 · US