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ISHIKAWA & CO LTD

Overview
  • Total Patents
    64
  • GoodIP Patent Rank
    190,623
  • Filing trend
    ⇧ 100.0%
About

ISHIKAWA & CO LTD has a total of 64 patent applications. It increased the IP activity by 100.0%. Its first patent ever was published in 1987. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology are HITACHI SERVICE & ENGINEERING, ZHAO QIUXIAN and TANAKA YONEICHI.

Patent filings in countries

World map showing ISHIKAWA & CO LTDs patent filings in countries
# Country Total Patents
#1 Japan 64

Patent filings per year

Chart showing ISHIKAWA & CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Kosaka Kazuaki 34
#2 Nabeta Kazuyoshi 10
#3 Maejima Takatoshi 7
#4 Yokota Sadayoshi 6
#5 Sakamoto Haruhiko 4
#6 Dan Takaaki 4
#7 Takada Kakuo 3
#8 Mitsuyasu Yoshinobu 3
#9 Yoshida Shigeru 3
#10 Ogawa Hideto 2

Latest patents

Publication Filing date Title
JP2020151968A Method for manufacturing multilayer paper bag and multilayer paper bag manufactured thereby
JP2020011771A Multilayer paper bag that prevents leakage of content
JP2019156487A Opening mechanism for paper bag
JP2019085166A Easily-openable multilayer paper bag
JP2015155315A Easily-openable moistureproof multilayer paper bag
JP2015155314A Easily-openable breathable multilayer paper bag
JP2014080202A Bag which is easily opened
JP2013147255A Easily-deaerated moistureproof bag
JP2013103744A Easily-openable bag
JP2013086863A Paper bag with outside valve
JP2013052885A Moisture-proof bag having deaeration structure
JP2013039740A Composite sheet and composite bag using the same
JP2013039741A Composite sheet and composite bag using the same
JP2013039947A Bag with readily sealable opening
JP2013014941A Interior finishing board and construction method for the same
JP2012066860A Paper bag with valve
JP2012066857A Paper bag with valve
JP2012066859A Paper bag with valve
JP2012066858A Paper bag with valve
JP2011213402A Paper bag with valve