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Patent portfolio assigned to Untether AI (verified via public assignee records). Estimated patent count: 25. Toronto at-memory AI inference chip company (speedAI/tsunAImi); engineering team acquired by AMD in 2025 and products discontinued. Justia lists patents under assignee UNTETHER AI CORPORATION; IPqwery (via search) cites ~25 patents (estimate). Avnet is a named distributor partner; Groq/Tenstorrent/SambaNova/Cerebras/Lightmatter are peer AI-inference chip competitors per industry coverage.