Inventor · disambiguated record
Tsugunao Toyooka
Also filed as: TOYOOKA TSUGUNAO
7 granted patents·1 pending application·18 citations·filing 2010–2024
78Inventor score
Top patents by PatentIndex Score
8 records- 0186US8157257B2Sheet feeding device and electrophotographic image forming apparatus with rotating charged beltTOYOOKA TSUGUNAO·Filed 2010·Granted Apr 17, 2012·6 cites·8 claims
- 0281US8408532B2Image forming apparatusHIGAKI HIDETO·Filed 2010·Granted Apr 2, 2013·6 cites·13 claims
- 0372US8857809B2Sheet separation/conveyance device and image forming apparatus incorporating sameTOYOOKA TSUGUNAO·Filed 2013·Granted Oct 14, 2014·3 cites·6 claims
- 0463US2025003862A1Resin molded article and determining methodTOYOOKA TSUGUNAO·Filed 2024·Application pending·0 cites
- 0562US8833755B2Sheet feeding device, electrophotographic image forming apparatus incorporating same, and sheet separation method for the apparatusTOYOOKA TSUGUNAO·Filed 2010·Granted Sep 16, 2014·2 cites·2 claims
- 0649US8302953B2Image forming apparatusTOGASHI TOSHIFUMI·Filed 2010·Granted Nov 6, 2012·1 cites·6 claims
- 0748US10669109B2Sheet end position regulating device, sheet loader incorporating the sheet end position regulating device, sheet feeding device incorporating the sheet end position regulating device, and image forming apparatus incorporating the sheet end position regulating deviceTOYOOKA TSUGUNAO·Filed 2018·Granted Jun 2, 2020·0 cites·20 claims
- 0839US8752821B2Image forming apparatusTOYOOKA TSUGUNAO·Filed 2010·Granted Jun 17, 2014·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →