In mid-1999 Chiang left Synergy to set up Pacific Icon, Inc. He also began applying for patents, and jointly with North American investors started another company, Mobilogy, in Silicon Valley, to use his patented technology to develop power supplies for portable communications devices.
一九九九年中，蔣重光離開興能高科技，成立了中外網際育成股份有限公司，並著手專利申請，以專利技術結合美加地區投資人，在加州矽谷籌組 Mobilogy 公司，開發行動通訊的不斷電系統。