Patent assignee · CN · COMPANY

Helm Audio Limited

1Patents
1Active
1Granted
39Portfolio score

Filing activity: May 15, 2020 → May 15, 2020

Most-cited patents

PatentTitleAreaCited byStatus
US11881819B2 Amplifier assembly and method of amplification particularly for portable device Electricity 0 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.