Kyushu has been called Japan's "silicon island."
"Sony Semiconductor Corp.’s Kikuyo plant in Kumamoto Prefecture is also forgoing the holiday to meet smartphone-driven demand for its image sensors."
http://www.japantimes.co.jp/news/2014/08/15/business/corporate-business/chip-makers-skip-summer-break-to-meet-smartphone-demand/
Chip makers skip summer break to meet smartphone demand | The Japan Times
While much of Japan relaxes during the Bon summer holiday period, its top semiconductor makers are keeping their factories running to meet fierce demand fr