Inventor · disambiguated record
Masakazu Washizuka
Also filed as: WASHIZUKA MASAKAZU
4 granted patents·1 pending application·11 citations·filing 2002–2015
65Inventor score
Technology areasB60C
Files withSUMITOMO RUBBER IND5
Top patents by PatentIndex Score
5 records- 0185US9221305B2Heavy duty pneumatic tireSUMITOMO RUBBER IND·Filed 2012·Granted Dec 29, 2015·8 cites·7 claims
- 0266US10195907B2Heavy-duty tireSUMITOMO RUBBER IND·Filed 2014·Granted Feb 5, 2019·1 cites·20 claims
- 0350US10183533B2Heavy-duty tireSUMITOMO RUBBER IND·Filed 2014·Granted Jan 22, 2019·0 cites·20 claims
- 0444US7469731B2Heavy-duty tire having ground-contact surface shapeSUMITOMO RUBBER IND·Filed 2002·Granted Dec 30, 2008·2 cites·7 claims
- 0538US2015343848A1Heavy-duty pneumatic tireSUMITOMO RUBBER IND·Filed 2015·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →