Japanese cellphone makers want to expand, but their clever handsets do not work on other networks.Credit...Robert Gilhooly/Bloomberg News TOKYO � At first glance, Japanese cellphones are a gadget lover’s dream: ready for Internet and e-mail, they double as credit cards, boarding passes and even body-fat calculators. But it is hard to find anyone in Chicago or London using a Japanese phone like a P
![Why Japan’s Cellphones Haven’t Gone Global (Published 2009)](https://cdn-ak-scissors.b.st-hatena.com/image/square/925e7999283c18dc186d60aca2356a403b19e17a/height=288;version=1;width=512/https%3A%2F%2Fstatic01.nyt.com%2Fimages%2F2009%2F07%2F20%2Fbusiness%2F20cell01-600.jpg%3Fyear%3D2009%26h%3D320%26w%3D600%26s%3D0afcb5010a6cd819517d922cd9f43956efa6ae261fb40d34309e82395c41ed8c%26k%3DZQJBKqZ0VN)