Richardson Electronics, Ltd.
Lafox, IL, US· latest recorded location
Richardson Electronics, Ltd. is named on 11 US grants and 13 published applications in this corpus. Its most frequent classification is H02J (Power supply and charging).
- Granted patents
- 11
- Published applications
- 13
- Inventors
- 12
- Granted in 2026 so far
- 1
- Most recent grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2021 | 2 | 2 |
| 2022 | 1 | 2 |
| 2023 | 2 | 1 |
| 2024 | 3 | 3 |
| 2025 | 2 | 3 |
| 2026 | 1 | 2 |
By publication year. 2026 runs to 8 Oct.
Technology areas
Share of 24 documents
- H02JPower supply and charging17
- F03DWind motors9
- F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to9
- Y02EClean energy generation and storage9
- H01GCapacitors6
- H01JElectric discharge tubes or discharge lamps4
- H01CResistors3
- H02MApparatus for conversion between ac and ac, between ac and dc, or3
- H05KPrinted circuits3
- B60LElectric vehicle propulsion1
Recent patents
- Resistor8 Sep 2026US D1,146,816 S1Design
- Hybrid capacitor energy storage21 Oct 2025US 12,451,720 B2
- Ultracapacitor pitch energy module9 Sep 2025US 12,410,772 B2
- Ultracapacitor pitch energy module24 Dec 2024US 12,173,689 B2
- Resistor5 Nov 2024US D1,050,042 S1Design
- Ultracapacitor tender systems and methods16 Apr 2026US 2026/0103100 A1
- Hybrid capacitor energy storage22 Jan 2026US 2026/0025006 A1
- Ultracapacitor pitch energy module27 Nov 2025US 2025/0361852 A1
- Ultracapacitor pitch energy module27 Feb 2025US 2025/0067245 A1
- Ultracapacitor generator start module30 Jan 2025US 2025/0037944 A1
Most cited
By later US patents