Inventor · disambiguated record
Emi Koyama
Also filed as: KOYAMA EMI
3 granted patents·1 pending application·403 citations·filing 1991–2004
79Inventor score
Top patents by PatentIndex Score
4 records- 0177US5101831ASystem for discriminating sleep stateMATSUSHITA ELECTRIC WORKS LTD·Filed 1991·Granted Apr 7, 1992·226 cites·7 claims
- 0267US6053936APortable illumination device for modifying circadian rhythmsMATSUSHITA ELECTRIC WORKS LTD·Filed 1996·Granted Apr 25, 2000·119 cites·26 claims
- 0350US6126294APortable light irradiation apparatusMATSUSHITA ELECTRIC WORKS LTD·Filed 1998·Granted Oct 3, 2000·58 cites·14 claims
- 0440US2007268234A1Display DeviceSHARP KK·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →