Inventor · disambiguated record
Yuji Sumi
Also filed as: SUMI YUJI
4 granted patents·2 pending applications·89 citations·filing 1989–2024
78Inventor score
Top patents by PatentIndex Score
6 records- 0182US5029154AOptical reproducing apparatusRICOH KK·Filed 1989·Granted Jul 2, 1991·30 cites·21 claims
- 0281US5243583AOptical pickup device with dual grating elementRICOH KK·Filed 1990·Granted Sep 7, 1993·34 cites·8 claims
- 0362US2024329207A1Vehicle upper structureTOYODA GOSEI KK·Filed 2024·Application pending·0 cites
- 0453US2010015434A1Assembling structure of a plated resin articleTOYODA GOSEI KK·Filed 2009·Application pending·0 cites
- 0541US5305375AInformation service apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Apr 19, 1994·21 cites·11 claims
- 0630US5572531ADigital radiotelephone systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Nov 5, 1996·4 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →