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Patent portfolio assigned to SafKan Health (verified via public assignee records). Estimated patent count: 6. OtoSet automated FDA-cleared ear-cleaning device (Redmond, WA). Distribution partners ReSound, Signia, Beltone confirmed via hearing-industry press. Multiple patents assigned to SafKan, Inc. (e.g. D1057151 'Reservoir for ear cleaning device', US12128200 'Ear cleaning devices and methods', EP3964247B1, plus design patents); count is an estimate of visible US+EP grants. No competitor confirmed from a primary fetched source.