About Yoshiro Nakamatsu
Yoshiro Nakamatsu, also known as Dr. NakaMats, is a Japanese inventor. He regularly appears on Japanese talk shows demonstrating his inventions. Nakamatsu is known as a perennial candidate in Japanese politics, having contested elections regularly since the early 1990s. Nakamatsu is a prolific inventor, and he even claims to hold the world record for number of more than 3,200 inventions. Upon the basis of the Juusyoku Record patent issued in 1952, Nakamatsu claims to have invented the first floppy disk well before IBM's floppy disk patent was filed in 1969. Love Jet - A sexual enhancement product which he created out of concern about Japan's declining birthrate. While his claim to a "world record" has been described as a record for patents by several media articles, several other sources do not list Nakamatsu among the world's most prolific inventors (he has six patent families).
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.