Inventor · disambiguated record
Takeo Yuminaka
Also filed as: YONEDA KENJI · YUMINAKA TAKEO
17 granted patents·405 citations·filing 1974–1981
95Inventor score
Files withHITACHI LTD17
Top patents by PatentIndex Score
17 records- 0192US4350225AElevator control systemHITACHI LTD·Filed 1980·Granted Sep 21, 1982·43 cites·20 claims
- 0291US4330838AElevator test operation apparatusHITACHI LTD·Filed 1979·Granted May 18, 1982·49 cites·16 claims
- 0390US4367811AElevator control systemHITACHI LTD·Filed 1981·Granted Jan 11, 1983·40 cites·9 claims
- 0483US3973649AElevator control apparatusHITACHI LTD·Filed 1975·Granted Aug 10, 1976·32 cites·17 claims
- 0582US3967702AControl apparatus for elevatorsHITACHI LTD·Filed 1974·Granted Jul 6, 1976·35 cites·20 claims
- 0677US4030572AElevator control apparatusHITACHI LTD·Filed 1975·Granted Jun 21, 1977·26 cites·14 claims
- 0776US4366478ASignal transmitting and receiving apparatusHITACHI LTD·Filed 1981·Granted Dec 28, 1982·43 cites·8 claims
- 0875US4030571AElevator control systemHITACHI LTD·Filed 1975·Granted Jun 21, 1977·24 cites·15 claims
- 0971US4411338AApparatus for calculating elevator cage call forecastHITACHI LTD·Filed 1981·Granted Oct 25, 1983·21 cites·9 claims
- 1064US4341287AElevator control apparatusHITACHI LTD·Filed 1980·Granted Jul 27, 1982·17 cites·17 claims
- 1164US3999631AElevator control systemHITACHI LTD·Filed 1975·Granted Dec 28, 1976·16 cites·16 claims
- 1263US4166518AElevator control systemHITACHI LTD·Filed 1977·Granted Sep 4, 1979·16 cites·11 claims
- 1361US4266632AElevator systemHITACHI LTD·Filed 1979·Granted May 12, 1981·15 cites·17 claims
- 1459US4149613AElevator control systemHITACHI LTD·Filed 1976·Granted Apr 17, 1979·14 cites·23 claims
- 1547US4030037AProximity detecting apparatusHITACHI LTD·Filed 1974·Granted Jun 14, 1977·9 cites·10 claims
- 1630US4113066AElevator control apparatus having a novel hall call allotting deviceHITACHI LTD·Filed 1976·Granted Sep 12, 1978·1 cites·14 claims
- 1729US4039049AElevator car call selection apparatusHITACHI LTD·Filed 1974·Granted Aug 2, 1977·4 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →