Inventor · disambiguated record
Yukihiro Yuyama
Also filed as: YUYAMA YUKIHIRO
7 granted patents·293 citations·filing 1981–1987
89Inventor score
Files withRICOH KK7
Top patents by PatentIndex Score
7 records- 0194US4388362AReleased heat-sensitive recording paperRICOH KK·Filed 1981·Granted Jun 14, 1983·77 cites·10 claims
- 0293US4950638AThermosensitive recording material having recording layer containing fluorescent dye compositionRICOH KK·Filed 1987·Granted Aug 21, 1990·75 cites·27 claims
- 0390US4424245AThermosensitive-recording-type label sheetRICOH KK·Filed 1982·Granted Jan 3, 1984·46 cites·10 claims
- 0485US4551738AThermosensitive recording materialRICOH KK·Filed 1984·Granted Nov 5, 1985·34 cites·15 claims
- 0581US4444819AThermosensitive recording materialRICOH KK·Filed 1982·Granted Apr 24, 1984·35 cites·19 claims
- 0670US4711874AThermosensitive recording adhesive sheetRICOH KK·Filed 1985·Granted Dec 8, 1987·15 cites·9 claims
- 0763US4727054AThermosensitive recording materialRICOH KK·Filed 1985·Granted Feb 23, 1988·11 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →