Inventor · disambiguated record
Yuji Toda
Also filed as: TODA YUJI
10 granted patents·837 citations·filing 1988–1997
93Inventor score
Files withHITACHI LTD10
Top patents by PatentIndex Score
10 records- 0193US5892190AMethod and system of controlling elevators and method and apparatus of inputting requests to the control systemHITACHI LTD·Filed 1993·Granted Apr 6, 1999·49 cites·51 claims
- 0293US5307903AMethod and system of controlling elevators and method and apparatus of inputting requests to the control systemHITACHI LTD·Filed 1989·Granted May 3, 1994·54 cites·70 claims
- 0391US5659764ASign language generation apparatus and sign language translation apparatusHITACHI LTD·Filed 1994·Granted Aug 19, 1997·140 cites·13 claims
- 0491US5544050ASign language learning system and methodHITACHI LTD·Filed 1993·Granted Aug 6, 1996·152 cites·13 claims
- 0588US5887069ASign recognition apparatus and method and sign translation system using sameHITACHI LTD·Filed 1995·Granted Mar 23, 1999·151 cites·30 claims
- 0686US5953693ASign language generation apparatus and sign language translation apparatusHITACHI LTD·Filed 1997·Granted Sep 14, 1999·121 cites·5 claims
- 0785US5402410AHigh density storage of information on a substrate with multiple depth and heightHITACHI LTD·Filed 1991·Granted Mar 28, 1995·37 cites·71 claims
- 0884US4982815AElevator apparatusHITACHI LTD·Filed 1989·Granted Jan 8, 1991·29 cites·11 claims
- 0981US5025896AElevator control apparatusHITACHI LTD·Filed 1989·Granted Jun 25, 1991·35 cites·34 claims
- 1080US5003616AImage processing apparatusHITACHI LTD·Filed 1988·Granted Mar 26, 1991·69 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →