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TEIJIN LTD

Overview
  • Total Patents
    29,321
  • GoodIP Patent Rank
    830
  • Filing trend
    ⇧ 23.0%
About

TEIJIN LTD has a total of 29,321 patent applications. It increased the IP activity by 23.0%. Its first patent ever was published in 1952. 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 textiles and paper are KUREHA CHEMICAL IND CO LTD, TORAY INDUSTRIES and DU PONT.

Patent filings per year

Chart showing TEIJIN LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Matsumura Shunichi 589
#2 Ichikawa Yataro 447
#3 Inada Hiroo 396
#4 Saiki Noritsugu 379
#5 Kurozumi Seiji 377
#6 Kuroda Toshimasa 339
#7 Tanaka Toshio 328
#8 Kuratsuji Takatoshi 318
#9 Nishikawa Satoshi 317
#10 Miura Sadami 310

Latest patents

Publication Filing date Title
WO2021070042A1 Process for the manufacture of a fiber comprising meta-aramid
WO2021070741A1 Resin composition
WO2021065955A1 Electrically conductive woven/knitted material
WO2021070632A1 Curved member production method and hard-coated polycarbonate resin layered body for heat bending
JP2021000831A Method for manufacturing deposit including thermoplastic resin and discontinuous carbon fiber
WO2021039887A1 Reading system
WO2021059841A1 Polyarylene sulfide resin composition
WO2021039891A1 Method for producing carbon fiber bundle
WO2021033543A1 Polycarbonate resin composition
WO2021059764A1 Fireproof fabric and seat
WO2021020396A1 Polycarbonate resin laminate provided with hard coating layer
WO2021020116A1 Thermoplastic resin composition
WO2021014962A1 Thermoplastic resin and optical member containing same
WO2020262566A1 Fibrous-carbon-containing active material layer for all-solid lithium secondary battery and all-solid lithium secondary battery
WO2020262671A1 Dyed fabric, fiber product in which same is used, and method for dyeing fabric
WO2020246497A1 Separator for non-aqueous secondary battery, and non-aqueous secondary battery
WO2020235508A1 Separator for non-aqueous secondary battery, method for producing same, and non-aqueous secondary battery
WO2020227458A1 Battery containment construct
WO2020226126A1 Compound having fluorene skeleton and method for producing same
WO2020213406A1 Thermoplastic resin prepreg, production method thereof, and fiber-reinforced composite material