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TAKEDA RIKEN IND CO LTD

Overview
  • Total Patents
    522
About

TAKEDA RIKEN IND CO LTD has a total of 522 patent applications. Its first patent ever was published in 1965. It filed its patents most often in Japan, United States and Germany. Its main competitors in its focus markets measurement, basic communication technologies and computer technology are RIVOIR JOCHEN, PENZEN POLITEKHN I and GENRAD INC.

Patent filings in countries

World map showing TAKEDA RIKEN IND CO LTDs patent filings in countries

Patent filings per year

Chart showing TAKEDA RIKEN IND CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kurihara Takenori 24
#2 Yamaguchi Hidehiko 22
#3 Nishiura Jiyunji 18
#4 Mitamura Masakazu 17
#5 Higuchi Kenji 16
#6 Hayashi Yoshio 14
#7 Niki Shoji 14
#8 Aoki Tetsuo 14
#9 Niki Naoharu 14
#10 Aihara Hiroshi 13

Latest patents

Publication Filing date Title
EP0166448A2 IC test equipment
US4691831A IC test equipment
US4696004A Logic analyzer
EP0163267A2 Logic analyzer
DE3439812A1 Time-interval measuring device
US4713788A Burst signal generator
US4583041A Logic circuit test system
JPS60190879A Logical wave form generating apparatus
JPS60185300A Transfer device of pattern data
JPS60170771A Pattern generator
JPS60170949A Multiclock generating device
JPS60168061A Logical circuit testing device
JPS60128865A Large power fet drive circuit
JPS60148223A High speed diode switch circuit
JPS60143017A Clock synchronizing logical device
JPS60143010A Voltage current converting circuit
JPS60138479A Logical circuit testing device
JPS60120452A Data transmitting device
JPS60111173A Ic testing device
JPS6098370A Waveform observing amplifier