Inventor · disambiguated record
Shigetsugu Sumiyama
Also filed as: SUMIYAMA SHIGETSUGU
4 granted patents·1 pending application·6 citations·filing 2009–2011
62Inventor score
Top patents by PatentIndex Score
5 records- 0167US8339035B2Organic EL module and illumination device including sameFUKANO SATOSHI·Filed 2011·Granted Dec 25, 2012·3 cites·11 claims
- 0265US8764209B2Light moduleHAYASI SINTAROU·Filed 2010·Granted Jul 1, 2014·3 cites·4 claims
- 0342US9013096B2Light emitting moduleKAWACHI HIDEHARU·Filed 2011·Granted Apr 21, 2015·0 cites·9 claims
- 0440US2012092857A1Illuminating apparatusSUMIYAMA SHIGETSUGU·Filed 2009·Application pending·0 cites
- 0533US8419201B2Light emitting moduleTANAHASHI OSAMU·Filed 2010·Granted Apr 16, 2013·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →