Inventor · disambiguated record
Nobuo Mitsui
Also filed as: MITSUI NOBUO
7 granted patents·142 citations·filing 1974–1987
87Inventor score
Files withHITACHI LTD7
Top patents by PatentIndex Score
7 records- 0176US4833586APWM control for power converter system utilizing pulse dropping at minimum pulse widthsHITACHI LTD·Filed 1987·Granted May 23, 1989·31 cites·10 claims
- 0275US4094385ALevelling apparatus for AC elevatorHITACHI LTD·Filed 1976·Granted Jun 13, 1978·27 cites·33 claims
- 0370US4870556AMethod and apparatus for controlling power converterHITACHI LTD·Filed 1987·Granted Sep 26, 1989·28 cites·26 claims
- 0468US4056759ADriving system for moving paths or escalatorsHITACHI LTD·Filed 1974·Granted Nov 1, 1977·22 cites·10 claims
- 0562US4101819AThree phase controlling systemHITACHI LTD·Filed 1975·Granted Jul 18, 1978·13 cites·5 claims
- 0657US4441584AAC Elevator control systemHITACHI LTD·Filed 1981·Granted Apr 10, 1984·13 cites·21 claims
- 0741US4779709AApparatus for controlling AC elevatorsHITACHI LTD·Filed 1986·Granted Oct 25, 1988·8 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →