About: Roberto del Rosario

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Roberto Legaspi del Rosario (June 7, 1919 – July 30, 2003) was a Filipino entrepreneur who is best known as the patentholder of the Sing Along System, a type of karaoke system he developed in 1975. Due to the fact that he was the first to patent a karaoke system, he is often erroneously referred to as the inventor of karaoke. However, Daisuke Inoue created a karaoke system four years earlier, in 1971.

Property	Value
dbo:abstract	Roberto Legaspi del Rosario (June 7, 1919 – July 30, 2003) was a Filipino entrepreneur who is best known as the patentholder of the Sing Along System, a type of karaoke system he developed in 1975. Due to the fact that he was the first to patent a karaoke system, he is often erroneously referred to as the inventor of karaoke. However, Daisuke Inoue created a karaoke system four years earlier, in 1971. (en)
dbo:birthDate	1919-06-07 (xsd:date)
dbo:birthName	Roberto Legaspi del Rosario (en)
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dbp:birthDate	1919-06-07 (xsd:date)
dbp:birthName	Roberto Legaspi del Rosario (en)
dbp:birthPlace	Pasay, Philippines (en)
dbp:knownFor	Patentholder for the Sing Along karaoke system. (en)
dbp:name	Roberto del Rosario (en)
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rdfs:comment	Roberto Legaspi del Rosario (June 7, 1919 – July 30, 2003) was a Filipino entrepreneur who is best known as the patentholder of the Sing Along System, a type of karaoke system he developed in 1975. Due to the fact that he was the first to patent a karaoke system, he is often erroneously referred to as the inventor of karaoke. However, Daisuke Inoue created a karaoke system four years earlier, in 1971. (en)
rdfs:label	Roberto del Rosario (en)
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