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PENTEL KK

Overview
  • Total Patents
    6,056
  • GoodIP Patent Rank
    7,346
  • Filing trend
    ⇩ 44.0%
About

PENTEL KK has a total of 6,056 patent applications. It decreased the IP activity by 44.0%. Its first patent ever was published in 1970. It filed its patents most often in Japan, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets consumer goods, machines and environmental technology are SOC BIC, MITSUBISHI PENCIL CO and PLATINUM PEN CO LTD.

Patent filings per year

Chart showing PENTEL KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Takagishi Ikuo 183
#2 Nakayama Tsuruo 168
#3 Sasage Denkichi 168
#4 Takahashi Hiroshi 166
#5 Wake Hitoshi 139
#6 Miyashita Hiroshi 125
#7 Takahashi Hiromichi 125
#8 Nagahama Masamitsu 120
#9 Okabe Eiichi 119
#10 Kobayashi Yuichi 115

Latest patents

Publication Filing date Title
JP2020175226A Display plate for rod-like article
JP2021002035A Observation plate
JP2020062891A Retractable writing instrument
CA3106090A1 Pencil lead
JP2020070924A Fitting structure for double cylinder and writing instrument utilizing the same
JP2020007546A Brilliant water-based ink composition for ball point pen
JP2020203969A Aqueous ink composition for ball point pen
JP2020183475A Black oily ink composition and ballpoint
WO2019189364A1 Applicator
JP2020157539A Refill lead case for mechanical pencil
JP2020143213A Baked pencil lead and production method thereof
JP2020140849A Capacitive coupling type touch switch
JP2020140851A Touch switching system
JP2020116753A Ballpoint pen
JP2020090007A Ball point pen
JP2019098750A Retractable writing instrument
JP2020062837A Ballpoint pen
JP2019073690A Aqueous ink composition for writing instruments
JP2020028974A Writing instrument storage container
JP2020017143A Touch switch system and touch detection method for touch switch system