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Patent Searching and Data


Title:
Train speed measuring device
Document Type and Number:
Japanese Patent JP6172900
Kind Code:
B2
Inventors:
Masaaki Tomita
Taku Oizumi
Niwa Junichi
Toshito Shirai
Takayuki Kobayashi
Application Number:
JP2012163151A
Publication Date:
August 02, 2017
Filing Date:
July 23, 2012
Export Citation:
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Assignee:
Nippon Signal Co., Ltd.
International Classes:
G01S13/60; B60L3/00; G01S13/92
Domestic Patent References:
JP2306166A
JP59040281A
JP11281316A
JP51065678A
JP9021870A
Foreign References:
US4353068
Attorney, Agent or Firm:
Moriaki Ogawa
Haruyuki Nishiyama
Shoichi Okuyama