Business Green: Japanese electronics giant Sharp is poised to launch its first solar-powered mobile phones in its home market this summer, according to local press reports. Mobile phone operator KDDI Corp confirmed yesterday that it is to start offering Sharp’s "Solar Phone SH002" from next month, which features a polycrystalline silicon solar cell module on the back of the handset. Makoto Takahashi, general manager of the consumer service and product sector at KDDI, told the Tech-On news …