Roberto del rosario biography filipino inventor

Following grueling legal battles, the Supreme Court ruled in his favor with finality on January 3, His victory was hailed worldwide, particularly by inventors as the triumph of intellectual property protection and a warning to intellectual thieves. Del Rosario, distressed that the Philippines was not giving much attention to its inventors, led the impassioned lobby at Congress for the passage of R.

Sa kaparehong dekada, sumikat din sa bansang Hapon ang kahalintulad na imbensyon na kilala bilang Karaoke. Bagama't ang unang nakaimbento ng karaoke ay ang Hapong si Daisuke Inoue noongnakalaigtaan niya itong i-apply ng patent.

Roberto del rosario biography filipino inventor: Roberto Legaspi del Rosario

Naunang nag-apply ng patent si Del Rosario at ito ginawaran ng patent noong at He is one of the most prolific and recognized Filipino inventor with more than 20 inventions patented to his credit. But aside from his inventions, Bert is also a successful businessman and a talented musician. Indeed, Bert del Rosario has come a long way. To reduce the expenses of having a band, these singers and musicians improvised musical devices that would accompany their singing.

These devices were known as 'minus-one music' which were multiplex music cassette recordings with no vocal tracks. It was music without lyrics.