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PILOT INK CO LTD

Overview
  • Total Patents
    2,543
  • GoodIP Patent Rank
    11,617
  • Filing trend
    ⇧ 6.0%
About

PILOT INK CO LTD has a total of 2,543 patent applications. It increased the IP activity by 6.0%. Its first patent ever was published in 1973. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets consumer goods, basic materials chemistry and textiles and paper are DONG A PENCIL CO LTD, FISHER PAUL C and CONTE.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Shibahashi Yutaka 208
#2 Fujita Katsuyuki 171
#3 Nakajima Akio 164
#4 Ono Yoshiaki 153
#5 Yasuda Michiyuki 117
#6 Kito Tsutomu 115
#7 Ando Masashi 105
#8 Sekine Nobuo 104
#9 Tomatsu Tsutomu 102
#10 Chiga Kuniyuki 95

Latest patents

Publication Filing date Title
JP2020153997A Water discoloring indicator
WO2020203603A1 Reversible thermochromic composition, reversible thermochromic microcapsule pigment comprising same, and writing instrument using same
WO2020196073A1 Reversible thermochromic microcapsule pigment
WO2020137469A1 Photochromic composition
JP2020071232A Temperature management indicator and method of using the same
JP2020038210A Temperature indicator
WO2020066650A1 Reversibly thermochromic composite fibres
JP2021008675A Brilliant reversible light color changeable flat yarn, and product using the same
JP2020199708A Discoloring body and discoloring body set
JP2020196774A Thermoplastic resin composition, and molded article or laminate using the same
JP2020171612A Meal playing toy
JP2019107890A Discoloring body and discoloring body set using the same
JP2020100710A Reversible thermochromic composition and reversible thermochromic microcapsule pigment containing the same
JP2019094605A Color-changing flat yarn and fabric product using the same
JP2019094606A Color-changing twist yarn and fabric product using the same
JP2020006544A Flame-retardant discoloration body
CN110799334A Lustrous color-changing body
CN110446770A Reversible thermochromic composition and the interior reversible thermochromic microcapsules pigment for being surrounded by the composition
WO2018155583A1 Thermochromic color memorizing composition and thermochromic color memorizing microcapsule pigment enclosing same
JP2018103624A Writing instrument