Title:
交通安全システム
Document Type and Number:
Japanese Patent JP4031458
Kind Code:
B2
Inventors:
Katsuyuki Ochiai
Mitsuru Shinagawa
Aiichiro Sasaki
Mitsuru Shinagawa
Aiichiro Sasaki
Application Number:
JP2004121987A
Publication Date:
January 09, 2008
Filing Date:
April 16, 2004
Export Citation:
Assignee:
Nippon Telegraph and Telephone Corporation
International Classes:
G08G1/16; G08G1/09; H04B13/00
Domestic Patent References:
| JP2000090391A |
Attorney, Agent or Firm:
Hidekazu Miyoshi