Willcom, formerly DDI Pocket, is Japan's largest wireless provider using a technology known as personal handyphone system (PHS), which covers a smaller area than standard cellphone networks but at a lower cost. The company is owned by U.S. investment fund Carlyle Group and Japanese electronics conglomerate Kyocera Corp. 

Willcom Likely to File for Bankruptcy in Restructuring (Feb 4, 2010)

Willcom Seeks to Draw from Government-backed Turnaround Body (Jan 20, 2010)

Willcom Seeking to Delay Debt Repayments (Sep 23, 2009)