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DENTAN CO LTD

Overview
  • Total Patents
    16
About

DENTAN CO LTD has a total of 16 patent applications. Its first patent ever was published in 1978. It filed its patents most often in Japan, Canada and EPO (European Patent Office). Its main competitors in its focus markets measurement, electrical machinery and energy and basic communication technologies are MEGAPULSE INC, LEON BESS and VARELA ARTHUR A.

Patent filings per year

Chart showing DENTAN CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sugiyama Kazuo 10
#2 Kuroda Toshihiko 5
#3 Sugiyama K 2
#4 Kuroda T 2
#5 Toshihiko Kuroda 1
#6 Uchida Daitarou 1
#7 Kazuo Sugiyama 1

Latest patents

Publication Filing date Title
JPS5892877A Ultrasonic distance measuring device
EP0075617A1 Ultrasonic distance measuring device
FR2492614A1 Power conserving type power supply for detectors - has base biassing for transistor of blocking oscillator controlled by feedback circuit
CA1153065A Power conserving blocking oscillator power supply circuit
JPS56135296A Discharge element driving circuit for discharge type fire sensor
JPS56124069A Pulse drive-type ultrasonic distance measuring device
JPS5624589A Distance measuring apparatus
US4363005A Power conserving blocking oscillator power supply circuit
GB2069276A Power conserving tepe power supply circuit
JPS54122534A Vibration alarm device for car