Karaoke snippets Some noteworthy moments in history.* Inoue Daisuke never bothered to patent his karaoke machine design, missing out on more than $150 million, according to some estimates ...

Notably, the patent holder for the karaoke machine is a man from the Philippines, named Roberto del Rosario (1975). After retiring, Shigeichi Negishi spent time indulging in his hobbies like ...

The world’s first karaoke machine, the Juke-8, was built by Japanese inventor and musician Daisuke Inoue in 1971. But it is Filipino inventor Roberto del Rosario who holds the machine’s patent.

Instead, the money went to a Filipino businessman by the name of Roberto del Rosario, who became the first patent holder for his machine titled the Sing Along Machine.