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GRADCO JAPAN LTD

Overview
  • Total Patents
    248
  • GoodIP Patent Rank
    26,598
  • Filing trend
    ⇩ 73.0%
About

GRADCO JAPAN LTD has a total of 248 patent applications. It decreased the IP activity by 73.0%. Its first patent ever was published in 1991. It filed its patents most often in Japan, United States and Germany. Its main competitors in its focus markets packaging and shipping, consumer goods and optics are GRADCO, KAIPING JAMES C and SUZUKI TOMOO.

Patent filings per year

Chart showing GRADCO JAPAN LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Coombs Peter M 60
#2 Kimura Kuniaki 46
#3 Masunari Kazushige 38
#4 Watanabe Kenichi 36
#5 Tsuchiya Hiroshi 32
#6 Lawrence Frederick J 23
#7 Kato Yumiko 15
#8 Piitaa Emu Kuumusu 15
#9 Umehara Kenji 14
#10 Thogersen Klaus 13

Latest patents

Publication Filing date Title
JP2021000181A Pictorial symbol display accessory
JP2020069557A Tab creation device
JP2019022923A Staple removal device and peripheral equipment or image forming apparatus
JP2018153912A Folding tab creation unit and sheet post-processing device
WO2018139078A1 Post-processing apparatus and post-processing system
JP2019104574A Post-processing device
JP2019094188A Sheet post-processing device
JP2019048715A Printing system
JP2019086814A Ending support system
JP2019064242A Post-processing device
JP2019014221A Post-processing device and post-processing system
JP2019034507A Sheet bundle processing device
JP2019030950A Staple removal device
JP2019010722A Tab creation device
JP2019011147A Fold-out tab producing device and sheet post-processing apparatus
JP2018192563A Staple removal device
JP2018190334A Internet printing system
JP2017214217A Sheet post-processing device
WO2017175655A1 Fold-back tab creation device and sheet post-processing device
JP2018144375A Automatic enclosing and sealing device