Inventor · disambiguated record
Ruizhi Lan
Also filed as: Lan Ruizhi
5 granted patents·4 pending applications·0 citations·filing 2020–2024
58Inventor score
Top patents by PatentIndex Score
9 records- 0157US12452592B2Coaxial speaker protection method, coaxial speaker protection system, coaxial speaker protection device, and coaxial speaker protectorAAC TECH NANJING CO LTD·Filed 2023·Granted Oct 21, 2025·0 cites·10 claims
- 0257US12452591B2Speaker temperature protection method and device, electronic device, and computer-readable storage mediumAAC TECH NANJING CO LTD·Filed 2024·Granted Oct 21, 2025·0 cites·10 claims
- 0354US12477274B2Coaxial speaker protection method, coaxial speaker protection system, coaxial speaker protection device, and coaxial speaker protectorAAC TECH NANJING CO LTD·Filed 2023·Granted Nov 18, 2025·0 cites·10 claims
- 0446US12452595B2Combo system and method of driving combo systemAAC TECH NANJING CO LTD·Filed 2023·Granted Oct 21, 2025·0 cites·16 claims
- 0546US2024340590A1Coaxial speaker protection method, coaxial speaker protection system, coaxial speaker protection device, and coaxial speaker protectorAAC TECH NANJING CO LTD·Filed 2023·Application pending·0 cites
- 0646US2021057976A1Vibration motorAAC TECHNOLOGIES PTE LTD·Filed 2020·Application pending·0 cites
- 0746US2024340582A1Coaxial speaker tweeter temperature protection method and system, and computer-readable storage mediumAAC TECH NANJING CO LTD·Filed 2024·Application pending·0 cites
- 0845US12513462B2Combo system, method of driving combo system, signal processor, and storage mediumAAC TECH NANJING CO LTD·Filed 2023·Granted Dec 30, 2025·0 cites·15 claims
- 0944US2024340581A1Speaker displacement protection method and device, and computer-readable storage mediumAAC TECH NANJING CO LTD·Filed 2024·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Ruizhi Lan files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →