Title:
列車個別メッセージ放送が可能な旅客案内システム
Document Type and Number:
Japanese Patent JP5576647
Kind Code:
B2
Inventors:
Takahiro Aoki
Application Number:
JP2009285536A
Publication Date:
August 20, 2014
Filing Date:
December 16, 2009
Export Citation:
Assignee:
Hitachi, Ltd.
International Classes:
B61L25/02
Attorney, Agent or Firm:
The first international patent firm of a patent business corporation