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SAILOR PEN CO LTD

Overview
  • Total Patents
    422
  • GoodIP Patent Rank
    212,033
About

SAILOR PEN CO LTD has a total of 422 patent applications. Its first patent ever was published in 1971. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets consumer goods, machines and measurement are MONTBLANC SIMPLO GMBH, TOPLAN MFG INC and WATERMAN PEN COMPANY INC.

Patent filings in countries

World map showing SAILOR PEN CO LTDs patent filings in countries

Patent filings per year

Chart showing SAILOR PEN CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Matsukawa Akira 80
#2 Kono Hiroyasu 58
#3 Otatsu Akira 25
#4 Shimada Isao 25
#5 Masumoto Yasuhiro 23
#6 Okamoto Eiji 22
#7 Oshita Katsuji 20
#8 Okamoto Hiroshi 18
#9 Shigematsu Kiyoto 17
#10 Fujii Masafumi 16

Latest patents

Publication Filing date Title
JP2019202811A Package
JP2015145102A Writing utensil
JP2015136867A Writing instrument and cushion mechanism
JP2015116671A Writing utensil
JP2015036894A Stylus pen
JP2015000535A Brush pen
JP2013056557A Ink bottle with ink reservoir
JP2013022765A Writing instrument
JP2011152683A Multi-lead writing utensil
JP2011037085A Ink bottle with ink reservoir
JP2010094811A Writing implement
JP2010076099A Writing implement
JP2009279801A Tail crown fitting structure of writing utensil
JP2009279802A Clip fitting structure of writing utensil
JP2009248493A Marker
JP2009214362A Shaft tube of writing utensil
JP2009196147A Delivery type writing utensil
JP2009166341A Grip of writing utensil
JP2009143107A Clip attachment structure of writing utensil
JP2009143106A Aromatic writing utensil