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KOBUNSHI OYO GIJUTSU KENKYUSHO

Overview
  • Total Patents
    12
About

KOBUNSHI OYO GIJUTSU KENKYUSHO has a total of 12 patent applications. Its first patent ever was published in 1981. It filed its patents most often in Japan. Its main competitors in its focus markets chemical engineering are COTTRELL KOGYO KK, SUMMIT FILTER CORP and HARRIS RONALD B.

Patent filings in countries

World map showing KOBUNSHI OYO GIJUTSU KENKYUSHOs patent filings in countries
# Country Total Patents
#1 Japan 12

Patent filings per year

Chart showing KOBUNSHI OYO GIJUTSU KENKYUSHOs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Chemical engineering

Focus technologies

# Technology
#1 Separation

Top inventors

# Name Total Patents
#1 Kojima Gen 4
#2 Higaki Hiromichi 4
#3 Yamabe Masaaki 4
#4 Miyazaki Nobuyuki 4
#5 Wachi Hiroshi 3
#6 Kou Hidemasa 3
#7 Tokoo Makio 1
#8 Shimada Keizou 1
#9 Yasui Misao 1
#10 Okaya Takuji 1

Latest patents

Publication Filing date Title
JPS5962310A Production of selective separating membrane element for gas
JPS5959440A Composite barriering film
JPS5962303A Oxygen separating and enriching membrane
JPS5959438A Manufacture of composite barriering film
JPS5959736A Production of oxygen enriching membrane
JPS5959441A Composite barriering film
JPS5962302A Gas selective separating element
JPS5959439A Manufacture of composite barriering film
JPS5955307A Separation membrane for gaseous oxygen
JPS5822163A Gas barrier laminate
JPS57205440A Adhesive resin composition
JPS57203553A Laminated structure