Inventor · disambiguated record
Toshihiko Umezu
Also filed as: UMEZU TOSHIHIKO
3 granted patents·201 citations·filing 2002–2007
77Inventor score
Technology areasH10W
Files withNICHIA CORP3
Top patents by PatentIndex Score
3 records- 0197US7342357B2Light emitting diode, optical semiconductor device, epoxy resin composition suited for optical semiconductor device, and method for manufacturing the sameNICHIA CORP·Filed 2005·Granted Mar 11, 2008·75 cites·15 claims
- 0296US6960878B2Light emitting diode, optical semiconductor element and epoxy resin composition suitable for optical semiconductor element and production methods thereforNICHIA CORP·Filed 2002·Granted Nov 1, 2005·123 cites·9 claims
- 0370US7550096B2Light emitting diode, optical semiconductor device, epoxy resin composition and phosphor suited for optical semiconductor device, and method for manufacturing the sameNICHIA CORP·Filed 2007·Granted Jun 23, 2009·3 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →