Assignee
YAMAMOTO ELECTRIC IND CO LTD
JP·11 granted patents·83 citations·filing 1976–1984
Top patents by PatentIndex Score
11 records- 0168US4168455AMotor speed control systemYAMAMOTO ELECTRIC IND CO LTD·Filed 1977·Granted Sep 18, 1979·17 cites·3 claims
- 0266US4274037AMotor speed control systemYAMAMOTO ELECTRIC IND CO LTD·Filed 1979·Granted Jun 16, 1981·15 cites·13 claims
- 0365US4251796ASlide-type potentiometerYAMAMOTO ELECTRIC IND CO LTD·Filed 1979·Granted Feb 17, 1981·12 cites·3 claims
- 0458USD260524SFoot operated controller for sewing machineYAMAMOTO ELECTRIC IND CO LTD·Filed 1979·Granted Sep 1, 1981·10 cites·1 claims
- 0548US4143605AMotor driven sewing machineYAMAMOTO ELECTRIC IND CO LTD·Filed 1977·Granted Mar 13, 1979·4 cites·6 claims
- 0645US4246521ADC Motor speed control systemYAMAMOTO ELECTRIC IND CO LTD·Filed 1979·Granted Jan 20, 1981·9 cites·5 claims
- 0744US4142472AControl apparatus for an electrically driven sewing machine with stitch pattern producing deviceYAMAMOTO ELECTRIC IND CO LTD·Filed 1977·Granted Mar 6, 1979·4 cites·5 claims
- 0843US4170749ASpeed control circuit for a series motorYAMAMOTO ELECTRIC IND CO LTD·Filed 1977·Granted Oct 9, 1979·6 cites·4 claims
- 0936US4085692AMotor control apparatus for electrically-driven sewing machineYAMAMOTO ELECTRIC IND CO LTD·Filed 1976·Granted Apr 25, 1978·2 cites·5 claims
- 1034US4290042AController for electric motorYAMAMOTO ELECTRIC IND CO LTD·Filed 1979·Granted Sep 15, 1981·2 cites·5 claims
- 1113US4633576AMethod of producing armature winding and apparatus thereforYAMAMOTO ELECTRIC IND CO LTD·Filed 1984·Granted Jan 6, 1987·2 cites·5 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →