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YAJIMA SEISHI

Overview
  • Total Patents
    17
About

YAJIMA SEISHI has a total of 17 patent applications. Its first patent ever was published in 1979. It filed its patents most often in Japan, Germany and United States. Its main competitors in its focus markets macromolecular chemistry and polymers, materials and metallurgy and environmental technology are NAGOYA ELECTRICAL EDUCATIONAL FOUNDATION, INST DE CERCETARI CHIMICE CT D and OFER ZEEV.

Patent filings in countries

World map showing YAJIMA SEISHIs patent filings in countries
# Country Total Patents
#1 Japan 13
#2 Germany 3
#3 United States 1

Patent filings per year

Chart showing YAJIMA SEISHIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yajima Seishi 17
#2 Okamura Kiyoto 8
#3 Nikudo Noriyoshi 7
#4 Fukuda Kazushige 6
#5 Hatsuta Tokuaki 4
#6 Shishido Toetsu 4
#7 Hamamatsu Takashi 4
#8 Katsura Hirouji 4
#9 Kubota Yutaka 4
#10 Okamura Kiyohito 4

Latest patents

Publication Filing date Title
JPS6479234A Organometallic polymer
DE3126336A1 Process for the preparation of a heat- and moisture-resistant polyborometallosiloxane
US4334051A Heat resistant polyvanadiosiloxanes and a process for their production
JPS5756522A Novel continuous inorganic fiber and its preparation
JPS5722175A Manufacture of heat-resistant ceramic composite material
JPS5722186A Heat-resistant oxidation-resistant ceramics
JPS5722179A Manufacture of jointed body
JPS5722169A Manufacture of heat-resistant ceramic sintered formed body
JPS56159223A Production of heat-resistant compound
JPS56157430A Preparation of heat-resistant polymetallosiloxane
JPS56147827A Organometallic polymer and its preparation
JPS56145923A Preparation of nonoxidizable and heat-resistant semi-inorganic compound
JPS56136823A Heat-resistant polyvanadiumsiloxane
JPS5698236A Production of heat-resistance polyvanadioborosiloxane
JPS5681339A Production of heat-resistant polyvanadiosiloxane