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OPT D D MELCO LAB KK

Overview
  • Total Patents
    32
About

OPT D D MELCO LAB KK has a total of 32 patent applications. Its first patent ever was published in 1991. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology and materials and metallurgy are AOMORI PREFECTURAL IND TECHNOLOGY RES CT, AKIMOV ALEKSANDR PETROVICH and SP K BYURO LENGIDROSTAL.

Patent filings in countries

World map showing OPT D D MELCO LAB KKs patent filings in countries
# Country Total Patents
#1 Japan 32

Patent filings per year

Chart showing OPT D D MELCO LAB KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Imaizumi Mitsuyuki 21
#2 Yamauchi Shiro 13
#3 Yokomatsu Tokushige 7
#4 Yokomatsu Tokuji 7
#5 Namatame Teruaki 6
#6 Nagai Hideo 5
#7 Nakamura Mitsuhiro 5
#8 Tsukamoto Hideyuki 4
#9 Mitsuta Kenro 4
#10 Saegusa Masaki 3

Latest patents

Publication Filing date Title
JPH1183792A Electrochemical type gas sensor and gaseous hydrogen sensor element and hydrogen generation element used for the same
JPH1176739A Electrochemical dehumidifying storehouse
JPH1081985A Electrochemical device
JPH1025584A Electrochemical device
JPH09157876A Electrochemical element
JPH09155157A Electrochemical element
JPH09155158A Electrochemical device
JPH09161564A Manufacture of self fusion aggregate wire
JPH09161547A Self fusion aggregate wires and manufacture thereof
JPH0952018A Dehumidifier
JPH0952019A Dehumidifier
JPH0916272A Dehumidifying device
JPH08327588A Carbon dioxide sensor and its manufacture
JPH08223257A Incoming call notification device for telephone set
JPH08164980A Food-preserving device
JPH08164319A Dehumidifying element
JPH07248307A Cabon dioxide sensor and manufacture thereof
JPH07243908A Infrared sensor, manufacture thereof, and infrared detection device
JPH07246039A Device for enriching oxygen for water tank
JPH07235936A Connecting device for communication terminal equipment