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RYOKO SANGYO KK

Overview
  • Total Patents
    47
  • GoodIP Patent Rank
    208,819
About

RYOKO SANGYO KK has a total of 47 patent applications. Its first patent ever was published in 1988. It filed its patents most often in Japan. Its main competitors in its focus markets materials and metallurgy and environmental technology are TOMEN CONSTR KK, TOKYO CEMENT KOGYO KK and NAGAMI TOSHIO.

Patent filings in countries

World map showing RYOKO SANGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 47

Patent filings per year

Chart showing RYOKO SANGYO KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kidai Takeo 16
#2 Ishii Makoto 13
#3 Kodama Eiji 10
#4 Yagi Masakatsu 5
#5 Takada Kiyoshi 4
#6 Ota Toyohiko 4
#7 Hashimoto Hisashi 3
#8 Sho Mizuki 3
#9 Isawa Takayuki 2
#10 Tamura Koji 2

Latest patents

Publication Filing date Title
JP2015209237A Sheet for assembling case, packaging case and package
JP2015193391A Sheet for glasses support frame, glasses support frame, glasses support base, packaging case for glasses and package
JP2015163513A Case assembling sheet, package case, and package
JP2013121716A Plastic sheet with foldable ruled line, ruled line blade for plastic sheet, and packaging container
JP2014034407A Case assembling sheet, package case, and package
JP2013216346A Case assembling sheet, packaging case, and packaging body
JP2013212869A Sheet for assembling case, packaging case and packaging body
JP2012192977A Case assembling sheet, packaging case, and packaging body
JP2012140140A Sheet connection structure of packaging case and the packaging case
JP2012096824A Packaging case, and plastic sheet for assembling the same
JP2012034599A Cigarette-packaging case
JP2012034602A Cigarette-packaging case
JP2011173642A Packaging case
JP2011168277A Cutting line for plastic sheet, plastic sheet equipped with the same, and packaging case
JP2011148519A Cutting line for plastic sheet, plastic sheet for forming packaging case which includes the cutting line, and packaging case
JP2011148500A Packaging case
JP2011116402A Packaging case
JP2011098739A Packaging container and decorative plastic sheet
JP2011088659A Cutting line for plastic sheets, plastic sheet and packaging case having the same
JP2010228810A Cutting line for plastic sheet, and plastic sheet and packaging case having the same