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Patent portfolio assigned to Lumotune (verified via public assignee records). Estimated patent count: 1. Kitchener, Canada (CDL-backed) maker of low-power, high-brightness nontraditional displays for building-scale surfaces. Confirmed patent assignee 'Lumotune Inc.' on US9564099 'Bistable display systems and methods'. No named customers found on public pages; public competitor lists returned generic switchable-glass installers not credible as direct competitors, so left empty.