Assignee
OHTAKE WORKS CO LTD
6 granted patents·448 citations·filing 1979–1985
Top patents by PatentIndex Score
6 records- 0199US4302728AUltrasonic wave oscillator circuit with output meterOHTAKE WORKS CO LTD·Filed 1979·Granted Nov 24, 1981·350 cites·6 claims
- 0279US4525790AMethod for oscillating ultrasonic waves and a microcomputer's built-in ultrasonic wave oscillator circuitryOHTAKE WORKS CO LTD·Filed 1982·Granted Jun 25, 1985·30 cites·6 claims
- 0376US4314029AApparatus for automatically measuring changes in amount of gasOHTAKE WORKS CO LTD·Filed 1980·Granted Feb 2, 1982·21 cites·10 claims
- 0470US4293643ARotary shaking culture measuring method and apparatusOHTAKE WORKS CO LTD·Filed 1980·Granted Oct 6, 1981·30 cites·12 claims
- 0554US4623838AAnalog-digital conversion circuit apparatus connectable to a microcomputer for measuring electric voltage and current of a vibrator of an ultrasonic wave oscillatorOHTAKE WORKS CO LTD·Filed 1985·Granted Nov 18, 1986·14 cites·2 claims
- 0631US4318618AApparatus for automatically measuring changing values of absorbanceOHTAKE WORKS CO LTD·Filed 1980·Granted Mar 9, 1982·3 cites·1 claims
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