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NIPPON ESTER CO LTD

Overview
  • Total Patents
    2,010
  • GoodIP Patent Rank
    42,444
  • Filing trend
    ⇧ 125.0%
About

NIPPON ESTER CO LTD has a total of 2,010 patent applications. It increased the IP activity by 125.0%. Its first patent ever was published in 1974. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets machines, macromolecular chemistry and polymers and basic materials chemistry are SHANGHAI CHENGYING NEW MATERIALS CO LTD, ALLNEX IP SARL and SOLUTIA GERMANY GMBH & CO KG.

Patent filings in countries

World map showing NIPPON ESTER CO LTDs patent filings in countries

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Matsumoto Tetsuo 311
#2 Ichihashi Eiji 176
#3 Matsunaga Nobuhiro 116
#4 Tsujimoto Keizo 112
#5 Imamura Takayuki 109
#6 Okochi Takao 108
#7 Ueda Atsuko 82
#8 Ito Makoto 76
#9 Tokiyama Yasuhiro 75
#10 Morita Masatoshi 73

Latest patents

Publication Filing date Title
JP2020204133A Conjugate fiber having latent crimpability and nonwoven fabric comprising the same
JP2020094323A Polyester-based short fibers with fine fineness
JP2020158747A Polyester resins
JP2020183592A Splittable type conjugated fiber
JP2020165044A Conductive composite fiber and method for producing the same
JP2019108651A Composite fiber having latent crimpability
JP2020051013A Composite fibers with latent crimp property
JP2020029640A Conjugated fiber with latent crimping property
JP2019049088A Potential trachychromatic polyester fiber, trachychromatic polyester fiber, method for producing trachychromatic polyester fiber, and woven knitted fabric
JP2020033668A Latently crimped deep-dyeing polyester fiber, crimped deep-dyeing polyester fiber, woven/knitted fabric, method for producing latently crimped deep-dyeing polyester fiber, and method for producing crimped deep-dyeing polyester fiber
JP2019007124A Polyamide fiber
JP2019167504A Polyester resin
JP2019143258A Core-sheath-type polyester composite fiber, false-twist yarn of core-sheath-type polyester composite fiber, knitted fabric, and manufacturing method of core-sheath-type polyester composite fiber
JP2019143257A Core-sheath-type polyester composite fiber, false-twist yarn of core-sheath-type polyester composite fiber, knitted fabric, and manufacturing method of core-sheath-type polyester composite fiber
JP2018031104A Multifilament yarn and woven and knitted fabric of the same
JP2019044281A Latent trachychromatic sprit polyester composite fiber, trachychromatic polyester ultra fine fiber, method for producing trachychromatic polyester ultra fine fiber, and woven knitted fabric including trachychromatic polyester ultra fine fiber
JP2019014987A Low-temperature dyeable polyester latency crimpable composite thread
JP2018204153A Polyester-based binder staple fiber
JP2018048422A Sheath-core composite latent deep-dyeable polyester fiber, deep-dyeable polyester fiber, and method for producing deep-dyeable polyester fiber
JP2018048413A Latent Crimpable Composite Fiber, Crimpable Composite Fiber, and Fabric