Inventor · disambiguated record
Fumika Sumiyama
Also filed as: SUMIYAMA FUMIKA
9 granted patents·21 citations·filing 2007–2012
83Inventor score
Top patents by PatentIndex Score
9 records- 0182US7905608B2Light source device and image display device having a wavelength selective elementSEIKO EPSON CORP·Filed 2007·Granted Mar 15, 2011·6 cites·4 claims
- 0278US8425056B2Image display apparatusSUMIYAMA FUMIKA·Filed 2010·Granted Apr 23, 2013·4 cites·19 claims
- 0372US8038306B2Light source device and image display device having a wavelength selective elementSEIKO EPSON CORP·Filed 2011·Granted Oct 18, 2011·2 cites·6 claims
- 0467US7775684B2Wavelength selective element, manufacturing apparatus for manufacturing wavelength selective element, manufacturing method for manufacturing wavelength selective element, light source device, image display device, and monitorSEIKO EPSON CORP·Filed 2008·Granted Aug 17, 2010·2 cites·8 claims
- 0565US8047659B2Light source device, image display apparatus, and monitor apparatusSEIKO EPSON CORP·Filed 2008·Granted Nov 1, 2011·2 cites·19 claims
- 0663US8057051B2Light source device, image display device, and monitor deviceSUMIYAMA FUMIKA·Filed 2008·Granted Nov 15, 2011·2 cites·12 claims
- 0763US7780311B2Multi-wavelength light source deviceSEIKO EPSON CORP·Filed 2008·Granted Aug 24, 2010·3 cites·11 claims
- 0847US8477315B2Volume hologram, light source device, illumination device, monitor, and image display deviceSUMIYAMA FUMIKA·Filed 2008·Granted Jul 2, 2013·0 cites·20 claims
- 0946US8926100B2Illumination device having improved illumination light symmetricalness and projector having the illumination deviceITOH YOSHITAKA·Filed 2012·Granted Jan 6, 2015·0 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →