TOKYO, AP WHEN you next visit the patient in hospital make sure that you leave your mobile telephone at home, or that it is switched off. Hospitals and medical equipment makers in Japan have warned that the mobile telephones may nake hospital machines go wrong. Saporo Medical College hospital in northem Japan has posted signs asking people not to use cellular telephones in areas where patients are being treated, a doctor there said recently. Four of Tokyo's seven government run hospitals have issued guidelines asking that wellular phoues not be used inside, Tokyo government sanitation official Eiichi Sugimura said