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YOSOMIYA RYUTOKU

Overview
  • Total Patents
    11
About

YOSOMIYA RYUTOKU has a total of 11 patent applications. Its first patent ever was published in 1986. It filed its patents most often in Japan. Its main competitors in its focus markets audio-visual technology, optics and environmental technology are NESELCO AS, HAKUSUI CHEM IND and TOBI CO LTD.

Patent filings in countries

World map showing YOSOMIYA RYUTOKUs patent filings in countries
# Country Total Patents
#1 Japan 11

Patent filings per year

Chart showing YOSOMIYA RYUTOKUs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yosomiya Ryutoku 11
#2 Hirata Mitsutoshi 8
#3 Takenishi Soichiro 4
#4 Morimoto Kiyotake 3
#5 Marutsuka Toshinori 3
#6 Haga Yutaka 2
#7 Yasu Noriue 1
#8 Seki Miharu 1

Latest patents

Publication Filing date Title
JPH04331260A Polyelectrolyte its production, and production of composite film
JPH0337559A Ammonia sensor
JPH02304340A Ammonia sensor
JPH01230784A Production of surface-metallized polymer product
JPH02127508A Production of surface metallized yarn
JPS63274778A Production of surface metallized polymer
JPS63243136A Production of polythionaphthene
JPS63117912A Encapsulated cadmium sulfide
JPS62279839A Encapsulized cadmium sulfide
JPS62269053A Polymer humidity sensor
JPS62269051A Polymer gas sensor