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NICHIRIN CO LTD

Overview
  • Total Patents
    226
  • GoodIP Patent Rank
    23,798
  • Filing trend
    ⇩ 56.0%
About

NICHIRIN CO LTD has a total of 226 patent applications. It decreased the IP activity by 56.0%. Its first patent ever was published in 1994. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets mechanical elements, machines and macromolecular chemistry and polymers are ZYFIRE HOSE CORP, HEBEI YUTONG SPECIAL RUBBER HOSE CO LTD and JIANGSU BAOJINLAI PIPELINE EQUIPMENT CO LTD.

Patent filings per year

Chart showing NICHIRIN CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nakano Yoshio 42
#2 Yagi Koji 24
#3 Katayama Toshiyuki 19
#4 Nomura Takaaki 16
#5 Masuno Tetsuro 16
#6 Saga Keizo 15
#7 Goto Shinichiro 14
#8 Azumaya Shinji 14
#9 Takatani Takeshi 12
#10 Ida Shinichi 11

Latest patents

Publication Filing date Title
JP2020082192A Manufacturing method of double-pipe heat exchanger
JP2021004565A Connector with pulsation absorption function
JP2020204391A Connecting structure between pipe and joint
JP2020193926A Gas type inspection device and gas type inspection method of eye joint ferrule-equipped hose
JP2020169306A Flame-retardant rubber composition and flame-retardant fuel hose
JP2020153389A Connecting connector between pipes
JP2020131655A Laser joining method for resin pipe and resin parts and laser joining device
JP2019203599A Connector with backlash prevention function
JP2020019247A Joining method and joining structure between resin pipe and resin member
JP2020008196A Double-pipe heat exchanger
JP2019200169A Hose behavior check method in caulking
JP2019196869A Double-pipe heat exchanger
JP2019188652A Resin-rubber laminate, and hose for refrigerant transportation
JP2019157649A Connector with pulsation absorbing function
JP2019157650A Connector with pulsation absorbing function
JP2019113276A Double-pipe heat exchanger
JP2019113222A Double-pipe heat exchanger
JP2019100377A Joint fitting and hose with joint fitting
JP2019100376A Joint fitting with pipe, and hose with pipe and joint fitting
JP2019072821A Jig and method for press-fitting sealing member