After the big ideaSourced
A karaoke pioneer did not patent the machine
Daisuke Inoue developed a machine that let customers sing without live accompaniment. He did not patent that invention. He later remained in the industry, including work on keeping pests from damaging the machines’ electronics.
Even a musical invention had unmusical maintenance problems.
Summary / translation: Unbubly · CC BY-SA 4.0
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Daisuke Inoue · Wikimedia contributors
Adapted, summarized and translated from the source. Adapted text is also available under CC BY-SA 4.0.
Reviewed: 2026-10-05