WEST JAPAN RAILWAY COMPANY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B61D BODY DETAILS OR KINDS OF RAILWAY VEHICLES 323
 
  
 
B60L ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL 175

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8931418 Bodyshell structure of railcarApr 21, 10Jan 13, 15[B61D]
8707873 Bodyshell structure of railcarMar 25, 10Apr 29, 14[B61D]
8701566 RailcarMar 25, 10Apr 22, 14[B61D]
5566799 Low aerodynamic noise type current collection equipmentJan 20, 95Oct 22, 96[B60L]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6664521 Line switch part snow melting deviceExpiredAug 07, 02Dec 16, 03[H05B]
6257494 Base structure of a turnoutExpiredJun 30, 99Jul 10, 01[E01B]

Top Inventors for This Owner

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