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Kazuo Kashio, co-founder of G-Shock watchmaker Casio, dead at 89

Kazuo Kashio helped popularise G-Shock, which has grown into an internationally recognised brand since its 1983 debut

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Casio Computer president Kazuo Kashio showing off the company’s ‘next generation’ pocket personal computer CASSIOPEIA in December 2000. Photo: Reuters
Associated Press

Kazuo Kashio, one of four brothers who founded Casio Computer Co, the Japanese firm behind pocket calculators and later G-Shock watches, has died aged 89.

Kashio, who was chairman and served previously as president, died at a Tokyo hospital on Monday from aspiration pneumonia, which is set off by breathing in food or liquids, the company announced on Tuesday.

Kashio is credited with making the calculator an everyday product through Casio Mini.

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Casio calculators were an essential tool for school and college students before the PC revolution. Photo: SCMP
Casio calculators were an essential tool for school and college students before the PC revolution. Photo: SCMP

He also helped popularise G-Shock, which has grown into an internationally recognised brand since its 1983 debut.

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Kazuo Kashio succeeded his older brother Tadao, who served as Casio’s second president. The first president was the brothers’ father.

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