Title:
電話システムおよび番号設定装置
Document Type and Number:
Japanese Patent JP4729508
Kind Code:
B2
Inventors:
Azusa Muramoto
Yuji Maekawa
Shinji Nishimura
Yuji Maekawa
Shinji Nishimura
Application Number:
JP2007008906A
Publication Date:
July 20, 2011
Filing Date:
January 18, 2007
Export Citation:
Assignee:
Nakayo Communication Equipment Co., Ltd.
International Classes:
H04Q3/58
Domestic Patent References:
| JP7162913A | ||||
| JP7162921A | ||||
| JP2006180415A | ||||
| JP1254052A |
Attorney, Agent or Firm:
Shoyo domestic and overseas patent office