Title:
自動沈下補正まくらぎおよび自動沈下補正システム
Document Type and Number:
Japanese Patent JP5403745
Kind Code:
B2
Inventors:
Katsumi Muramoto
Takahisa Nakamura
Yu Sakurai
Mitsuo Masuda
Ryosuke Otaka
Takahisa Nakamura
Yu Sakurai
Mitsuo Masuda
Ryosuke Otaka
Application Number:
JP2009195008A
Publication Date:
January 29, 2014
Filing Date:
August 26, 2009
Export Citation:
Assignee:
Public utility foundation legal entity Railway Technical Research Institute
NHK Spring Co.
NHK Spring Co.
International Classes:
E01B3/00
Attorney, Agent or Firm:
Patent business corporation Intect International Patent Office
Yasuo Ishikawa
Yoshinori Ishibashi
Yasuo Ishikawa
Yoshinori Ishibashi