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|Known for||patent inventions telephony|
|Notable work||Caller Identification, answering machine|
Kazuo Hashimoto (橋本 和芙 Hashimoto Kazuo, died August 1995) was a Japanese inventor who registered over 1,000 patents throughout the world, including patents for Caller-ID system and telephone answering machine. He patented his first telephone answering machine, the Ansa Fone, in Japan in 1954, followed by the United States in 1960. He patented Caller-ID in Japan in 1976, and received a United States patent in 1980. In 1983 he invented a digital telephone answering device.