Title:
通信システム、移動通信網及び通信方法
Document Type and Number:
Japanese Patent JP4209713
Kind Code:
B2
Inventors:
Makoto Soga
Mayumi Takahashi
Mayumi Takahashi
Application Number:
JP2003120267A
Publication Date:
January 14, 2009
Filing Date:
April 24, 2003
Export Citation:
Assignee:
NTT DoCoMo, Inc.
International Classes:
H04M3/00; H04W4/14; H04W4/12; H04W8/00; H04W8/02
Domestic Patent References:
| JP2003070039A | ||||
| JP2003078648A |
Attorney, Agent or Firm:
川▲崎▼ 研二
Takashi Matsumoto
Takashi Matsumoto