Inventor

JINGUUJI MAKOTO

JP2 patents

Patents

2 patents

US7680141B2Mar 16, 2010

Transmitter device and relay device for performing data transmission control

NTT DOCOMO INC13 citations82

US6999750B2Feb 14, 2006

Prepaid system, method thereof, and communication terminal

NTT DOCOMO INC7 citations60