Registered entities
ADTRAN, INC
Reg. No. 630918200United States
Adtran, Inc.
Reg. No. 175843094United States
ADTRAN HOLDINGS, INC.
Reg. No. 926282United States
ADTRAN NETWORKS INDIA PRIVATE LIMITED
CIN U74120TG2012FTC080372India
Innovation
412 patent families (389 granted) — focus: Electricity & electronics, Physics & computing, Mechanical engineering; filing pace slowing. Cited 7,945 times.
| Year | Filings |
|---|---|
| 2015 | 56 |
| 2016 | 56 |
| 2017 | 57 |
| 2018 | 50 |
| 2019 | 43 |
| 2020 | 34 |
| 2021 | 24 |
| 2022 | 21 |
| 2023 | 23 |
| 2024 | 23 |
| 2025 | 19 |
| 2026 | 4 |
Investor mix
2 investors on record.
| Investor type | Count | Share |
|---|---|---|
| Venture capital | 1 | 50% |
| Private equity | 1 | 50% |
Hiring activity
Hires periodically
20 roles tracked across 5 of the last 12 months
7 Aug 2026 · Manager of System Integration Test (India) · All India
7 Aug 2026 · Manager Of System Integration Test Bengaluru · Bangalore
4 Aug 2026 · Manager of System Integration Test · Bangalore
31 Mar 2026 · Software Quality Assurance Engineer · Huntsville
10 Mar 2026 · Principal Hardware Design Engineer · Huntsville
Based on job postings tracked across public sources.