Learn more

HIGASHI NIPPON RYOKAKU TETSUDO

Overview
  • Total Patents
    3,140
  • GoodIP Patent Rank
    2,101
  • Filing trend
    ⇩ 24.0%
About

HIGASHI NIPPON RYOKAKU TETSUDO has a total of 3,140 patent applications. It decreased the IP activity by 24.0%. Its first patent ever was published in 1987. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets environmental technology, transport and materials and metallurgy are METROLAB, BOMBARDIER TRANSP ZWUS POLSKA SPOLKA Z OGRANICZONA ODPOWIEDZIALNOSCIA and NIPPON SIGNAL CO LTD.

Patent filings per year

Chart showing HIGASHI NIPPON RYOKAKU TETSUDOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ishibashi Tadayoshi 234
#2 Kobayashi Kaoru 106
#3 Nozawa Shinichiro 63
#4 Kuwabara Kiyoshi 54
#5 Shimizu Mitsuru 48
#6 Miyaji Masakazu 46
#7 Matsuda Yoshinori 43
#8 Yumikura Kazuya 43
#9 Watanabe Akiyuki 41
#10 Nagao Tatsuji 41

Latest patents

Publication Filing date Title
JP2020065299A Communication system
JP2020117214A Normal/reverse position locking device for electric switch machine
JP2021008787A Protective device for track snow melting nozzle
JP2021010277A Ground fault protector
JP2021008760A Anchor and anchor constructing method
JP2021008724A Temporary guard wall
JP2021005342A Action support program, terminal device, and server device
JP2021005343A Action support program, terminal device, and server device
JP2021005334A Action support program, terminal device, and server device
JP2021004514A Rail fastening device for slab track
JP2021005341A Action support program, terminal device, and server device
JP2021000932A Reinforcement device for gate-shape pole and train lane switching method
JP2020004403A Device, method and program for evaluating facility
JP2020203560A Creepage amount measurement system for special turnout
JP2020200719A Method of joining precast concrete members
JP2020200999A Control system of air conditioning device
JP2020200147A Fixing/releasing method of heavy load and device thereof
JP2020200651A Fluid injection device for snow melting and snow melting device
JP2020197486A Rail flaw detector
JP2020197060A Soundproof panel fixing tool and soundproof panel fixing method