Last year, Sharp, the world's third-largest module maker, held 40% of the domestic market, followed by Kyocera with 26.5%, according to researcher RTS.
Panasonic aims to be leader in home market
Panasonic has laid down the gauntlet to rivals Sharp and Kyocera as it aims to become the leading solar firm in the reinvigorated Japanese market.
10 June 2010 22:00 GMT
Updated
25 November 2012 13:24 GMT
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