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JAPAN STYRENE PAPER CORP

Overview
  • Total Patents
    424
About

JAPAN STYRENE PAPER CORP has a total of 424 patent applications. Its first patent ever was published in 1968. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets machines, macromolecular chemistry and polymers and transport are HOWTECH CORP LTD, TOYO RUBBER CHEMICAL IND CO and RUBATEX PRODUCTS INC.

Patent filings in countries

World map showing JAPAN STYRENE PAPER CORPs patent filings in countries

Patent filings per year

Chart showing JAPAN STYRENE PAPER CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kuwabara Hideki 181
#2 Yoshimura Shiyouhei 88
#3 Akiyama Hiroyuki 75
#4 Yamaguchi Tooru 51
#5 Sudou Yoshimi 46
#6 Yamaguchi Toru 29
#7 Yoshimura Shohei 29
#8 Sudo Yoshimi 26
#9 Naito Masato 26
#10 Kanbe Masato 24

Latest patents

Publication Filing date Title
US5281377A Process for the production of foamed polyolefin sheets
US5281119A Apparatus for the production of foamed polyolefin sheets
US4822542A Method of production of expansion-molded article, from foamable thermoplastic resin particles and apparatus therefor
EP0254531A2 Cushioning material
US4756948A Core material for automobile bumpers
JPS63306896A Method of cutting synthetic resin foam
JPS63308044A Production of prefoamed beads made of polyolefin resin
JPS63283907A Disassembly device for tatami
JPS63278805A Prefoaming process of polyolefin resin particle
JPS63258939A Polypropylene resin prefoamed beads
JPS63256416A Preparation of expansion molding item
JPS63256634A Pre-expanded polyphenylene resin particle
JPS63256421A Lower form for device for producing assembled vessel
JPS63249619A Method for connecting expandable thermoplastic resin sheet
JPS63182130A Manufacture of platelike foam of polyolefin resin
JPS63171241A Full-mold casting method
JPS63170022A Manufacture of thermoplastic resin foam and manufacture equipment
JPS63162478A Top frame for packaging
JPS63158229A Manufacture of foam molded body
JPS63159447A Crosslinked polyolefin resin foam and its production