Registered entities
ALPHA & OMEGA SEMICONDUCTOR LTD
Reg. No. 1387467United States
Alpha And Omega Semiconductor Limited
Reg. No. 77-0553536United States
Innovation
635 patent families (557 granted) — focus: Electricity & electronics, Physics & computing, Operations & transport, Emerging technologies; filing pace slowing. Cited 19,564 times.
| Year | Filings |
|---|---|
| 2012 | 179 |
| 2013 | 196 |
| 2014 | 210 |
| 2015 | 191 |
| 2016 | 161 |
| 2017 | 98 |
| 2018 | 61 |
| 2019 | 31 |
| 2020 | 18 |
| 2021 | 6 |
| 2022 | 3 |
| 2023 | 1 |
Investor mix
6 investors on record.
| Investor type | Count | Share |
|---|---|---|
| Venture capital | 5 | 83% |
| Other / undisclosed | 1 | 17% |
Hiring activity
Hires periodically
6 roles tracked across 3 of the last 12 months
5 Mar 2026 · Executive Assistant · Sunnyvale
5 Dec 2025 · Senior Oracle ERP Developer · Fremont
25 Oct 2025 · Technical Marketing Director · San Francisco
Based on job postings tracked across public sources.