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DAINIPPON INK & CHEMICALS

Overview
  • Total Patents
    25,483
  • GoodIP Patent Rank
    239
  • Filing trend
    ⇩ 1.0%
About

DAINIPPON INK & CHEMICALS has a total of 25,483 patent applications. It decreased the IP activity by 1.0%. Its first patent ever was published in 1964. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets macromolecular chemistry and polymers, basic materials chemistry and optics are DAINIPPON INK &, DAXIN MATERIALS CORP and CHISSO PETROCHEMICAL CORP.

Patent filings per year

Chart showing DAINIPPON INK & CHEMICALSs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Takatsu Haruyoshi 917
#2 Takehara Sadao 589
#3 Iwashita Yoshinori 464
#4 Takeuchi Kiyobumi 450
#5 Ogawa Shinji 438
#6 Osawa Masashi 425
#7 Kusumoto Tetsuo 401
#8 Negishi Makoto 356
#9 Kuriyama Takeshi 347
#10 Kawamura Joji 302

Latest patents

Publication Filing date Title
WO2021079743A1 Compound, liquid crystal composition and high-frequency phase shifter
WO2021075333A1 Method for producing pigment composition
WO2021075272A1 Ink
WO2021075271A1 Method for manufacturing molded article
WO2021070729A1 Alumina particle production method
WO2021079711A1 Polyfunctional phenol resin, polyfunctional epoxy resin, curable resin composition containing these, and cured product thereof
WO2021060375A1 Molybdenum trioxide powder and method for producing same
WO2021070614A1 Printed matter and laminate
WO2021065643A1 Aqueous pigment dispersion, pigment kneaded product, and production method for aqueous pigment dispersion
WO2021070613A1 Water-based resin composition, water-based paint, and plastic molded article painted by said water-based paint
US2021095154A1 Water-based pigment dispersion and method for producing water-based pigment dispersion
WO2021070591A1 Layered body, shaped article, printed-wiring board and electromagnetic wave shield
WO2021079659A1 Electrically conductive pillar, bonding structure, electronic equipment, and method for manufacturing electrically conductive pillar
WO2021054129A1 Moisture-curable polyurethane resin composition, adhesive, and laminate
WO2021054130A1 Moisture-permeable waterproof fabric
WO2021065318A1 Acid group-containing (meth)acrylate resin, acid group-containing (meth)acrylate resin composition, curable resin composition, cured product, insulating material, resin material for solder resist, and resist member
WO2021054128A1 Moisture-curable polyurethane resin composition, adhesive, and laminate
WO2021049301A1 Heat-sensitive adhesive sheet and method for producing article obtained by applying heat-sensitive adhesive sheet
WO2021039877A1 Adhesive tape
WO2021039878A1 Adhesive tape