Inventor · disambiguated record
Hirohisa Shirai
Also filed as: SHIRAI HIROHISA
7 granted patents·61 citations·filing 1996–2018
79Inventor score
Top patents by PatentIndex Score
7 records- 0186US5717980AImage forming device with transfer unitMINOLTA CO LTD·Filed 1996·Granted Feb 10, 1998·51 cites·8 claims
- 0284US8963170B2Organic light emitting device and display unit including the sameYOKOYAMA SEIICHI·Filed 2012·Granted Feb 24, 2015·7 cites·6 claims
- 0380US9665030B2Image forming apparatus with a proximity chargerKONICA MINOLTA INC·Filed 2016·Granted May 30, 2017·2 cites·7 claims
- 0466US9190460B2Organic light emitting device and display unit including the sameSONY CORP·Filed 2014·Granted Nov 17, 2015·1 cites·4 claims
- 0545US10711751B2Fuel supply system for engineMAZDA MOTOR·Filed 2018·Granted Jul 14, 2020·0 cites·3 claims
- 0640US9482981B2Image forming apparatusKONICA MINOLTA INC·Filed 2016·Granted Nov 1, 2016·0 cites·7 claims
- 0738US9568851B2Image forming apparatusKONICA MINOLTA INC·Filed 2016·Granted Feb 14, 2017·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →