Inventor · disambiguated record
Youichi Itagaki
Also filed as: ITAGAKI YOUICHI
8 granted patents·1 pending application·7 citations·filing 2002–2020
76Inventor score
Top patents by PatentIndex Score
9 records- 0167US7866898B2Optical communication moduleMITSUMI ELECTRIC CO LTD·Filed 2009·Granted Jan 11, 2011·4 cites·7 claims
- 0257US10571826B2Developer supplying device and image forming apparatusKONICA MINOLTA INC·Filed 2018·Granted Feb 25, 2020·0 cites·15 claims
- 0350US6986952B2Chemical compound capable of emitting visible light, and luminescent material, electro-luminescent device, and display apparatus that contain the chemical compoundMITSUMI ELECTRIC CO LTD·Filed 2003·Granted Jan 17, 2006·1 cites·7 claims
- 0446US6709772B2Organic electrically conductive compound and an organic electroluminescent device including the compoundMITSUMI ELECTRIC CO LTD·Filed 2002·Granted Mar 23, 2004·2 cites·18 claims
- 0541US9500984B2Toner supply device and image forming apparatusKONICA MINOLTA INC·Filed 2013·Granted Nov 22, 2016·0 cites·11 claims
- 0641US7856164B2Waveguide deviceMITSUMI ELECTRIC CO LTD·Filed 2006·Granted Dec 21, 2010·0 cites·6 claims
- 0740US2009116795A1Optical waveguide deviceISHIKAWA YOSHIHIRO·Filed 2006·Application pending·0 cites
- 0835US11221566B2Image forming apparatus containing a toner supply bottle having a single bottle body and a supply unit provided near one end of the bottle bodyKONICA MINOLTA INC·Filed 2020·Granted Jan 11, 2022·0 cites·12 claims
- 0929US6706424B2Organic electrically conductive compound and an organic electroluminescent device including the compoundMITSUMI ELECTRIC CO LTD·Filed 2002·Granted Mar 16, 2004·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →