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NIPPON DENSHI ZAIRYO KK

Overview
  • Total Patents
    96
About

NIPPON DENSHI ZAIRYO KK has a total of 96 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan, Taiwan and United States. Its main competitors in its focus markets measurement, electrical machinery and energy and semiconductors are NPTEST LLC, ADVANTEST CORP and TESTMETRIX INC.

Patent filings in countries

World map showing NIPPON DENSHI ZAIRYO KKs patent filings in countries
# Country Total Patents
#1 Japan 92
#2 Taiwan 2
#3 United States 2

Patent filings per year

Chart showing NIPPON DENSHI ZAIRYO KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Okubo Masao 69
#2 Okubo Kazumasa 26
#3 Iwata Hiroshi 22
#4 Ookubo Masao 22
#5 Yoshimitsu Yasuyoshi 17
#6 Sugaya Kiyoshi 10
#7 Hagiwara Zenji 9
#8 Murakami Nobuyuki 8
#9 Furusaki Shinichiro 7
#10 Tanaka Shoichi 6

Latest patents

Publication Filing date Title
JPH1183901A Probe card
JPH1164263A Ozone sensor
JPH1138039A Reforming method for probe tip section
JPH1140226A Anisotropic conductor and manufacture thereof
JPH1128322A Device and method for cleaning hot water for bath
JPH10300786A Vertical operation type probe card and probe unit used in the same
JPH10221374A Perpendicularly operating probe card and probe unit used in the same and manufacture of probe unit
JPH1082797A Probe card and reinforcement used therein
JPH09304435A Vertical type probe card
JPH09236619A Vertical probe card
JPH09218223A Vertical probe card and probe therefor
JPH09211029A Vertical probe card
JPH09113537A Vertically actuating probe card
JPH09106707A Anisotopic conductive sheet and manufacture thereof
JPH0954116A High temperature measuring probe card
JPH0954115A Vertical probe card and probe used for it
JPH0921828A Vertical actuation type probe card
JPH095359A Probe card
TW263557B Vertically operative probe card assembly
JPH08292209A Probe card, probe used for it, and manufacturing method for probe