Inventor · disambiguated record
Ryuji Kitagawa
Also filed as: KITAGAWA RYUJI
6 granted patents·37 citations·filing 2003–2021
78Inventor score
Top patents by PatentIndex Score
6 records- 0184US7421917B2Tractor with a PTO apparatusKUBOTA KK·Filed 2005·Granted Sep 9, 2008·20 cites·12 claims
- 0264US8967681B2Locking apparatus for openable windowMASUMOTO KOJI·Filed 2012·Granted Mar 3, 2015·4 cites·10 claims
- 0361US11801840B2Work vehicle, control method, and recording mediumKUBOTA KK·Filed 2021·Granted Oct 31, 2023·0 cites·13 claims
- 0459US8894135B2Floor arrangement of driver's section of vehicleKUBOTA KK·Filed 2013·Granted Nov 25, 2014·2 cites·10 claims
- 0551US9302582B2Display system for work vehicle having power take off (PTO)KUBOTA KK·Filed 2013·Granted Apr 5, 2016·1 cites·10 claims
- 0648US6879261B2Operator presence sensing apparatus for a seat of a vehicleKUBOTA KK·Filed 2003·Granted Apr 12, 2005·10 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →